Materiały źródłowe

• #1 Diagnosis and treatment of gastroesophageal reflux disease

  https://pmc.ncbi.nlm.nih.gov/articles/PMC4133436/

  Gastroesophageal reflux disease (GERD) is a common disease with a prevalence as high as 10%-20% in the western world. […] In certain situations, further diagnostic testing is needed to confirm the diagnosis as well as to assess for complications or alternate causes for the symptoms. […] The diagnosis of GERD is typically made by a combination of clinical symptoms, response to acid suppression, as well as objective testing with upper endoscopy and esophageal pH monitoring. […] Additional testing may be necessary, however, for those who do not respond to acid suppression, those who have alarm symptoms (e.g., dysphagia, odynophagia, iron deficiency anemia, weight loss, etc.) and those who have suffered from the disease for an extended period of time due to concern for Barretts esophagus.

• #1 Diagnosis of GER & GERD – NIDDK

  https://www.niddk.nih.gov/health-information/digestive-diseases/acid-reflux-ger-gerd-adults/diagnosis

  In most cases, doctors diagnose gastroesophageal reflux (GER) and gastroesophageal reflux disease (GERD) by reviewing your symptoms and medical history. […] Your doctor may recommend medical tests if […] your doctor may refer you to a gastroenterologist to diagnose and treat GERD. […] Your doctor may order one or more of the following tests to help diagnose GERD and check for GERD complications or other health problems. […] Doctors may order an upper GI endoscopy to help diagnose GERD. […] Doctors may order this test to confirm the diagnosis of GERD or to find out if GERD treatments are working.

• #1

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  Gastroesophageal reflux disease (GERD) continues to be among the most common diseases seen by gastroenterologists, surgeons, and primary care physicians. Our understanding of the varied presentations of GERD, enhancements in diagnostic testing, and approach to patient management have evolved. […] The below recommendations for the diagnosis of GERD are also illustrated in Figure 1. […] For patients with classic GERD symptoms of heartburn and regurgitation who have no alarm symptoms, we recommend an 8-week trial of empiric PPIs once daily before a meal (strong recommendation, moderate level of evidence). […] We recommend diagnostic endoscopy, ideally after PPIs are stopped for 24 weeks, in patients whose classic GERD symptoms do not respond adequately to an 8-week empiric trial of PPIs or whose symptoms return when PPIs are discontinued (strong recommendation, low level of evidence).

• #1 Gastroesophageal reflux disease (GERD) – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/gerd/diagnosis-treatment/drc-20361959

  During an upper endoscopy, a healthcare professional inserts a thin, flexible tube equipped with a light and camera down the throat and into the esophagus. A healthcare professional might be able to diagnose GERD based on a history of symptoms and a physical examination. To confirm a diagnosis of GERD, or to check for complications, a care professional might recommend: […] An upper endoscopy uses a tiny camera on the end of a flexible tube to visually examine the upper digestive system. The camera helps provide a view of the inside of the esophagus and stomach. Test results may not show when reflux is present, but an endoscopy may find inflammation of the esophagus or other complications. […] A monitor is placed in the esophagus to identify when, and for how long, stomach acid regurgitates there.

• #1 Gastroesophageal Reflux Disease (GERD) Imaging: Practice Essentials, Radiography, Nuclear Imaging

  https://emedicine.medscape.com/article/368861-overview

  Mandatory studies include upper GI endoscopy and manometry. Barium esophagogram findings can demonstrate anatomy and possible complications of reflux disease (strictures). Reflux and inadequate gastric emptying may also be demonstrated. High-resolution esophageal manometry (HRM) is an integral part of the diagnostic evaluation of patients with refractory reflux symptoms and should be performed before antireflux surgery. […] If symptoms persist despite empirical therapy and if esophagogastroduodenoscopy (EGD) does not reveal evidence of GERD (esophagitis, peptic esophageal stricture, Barrett mucosa), esophageal function tests are performed, including esophageal manometry and ambulatory reflux monitoring. A conclusive diagnosis of reflux disease cannot be made by using barium esophagography. This technique is not sensitive for the detection of motility disorders.

• #1 Gastroesophageal reflux disease – Wikipedia

  https://en.wikipedia.org/wiki/Gastroesophageal_reflux_disease

  The current gold standard for diagnosis of GERD is esophageal pH monitoring. It is the most objective test to diagnose the reflux disease and allows monitoring GERD patients in their response to medical or surgical treatment. One practice for diagnosis of GERD is a short-term treatment with proton-pump inhibitors, with improvement in symptoms suggesting a positive diagnosis. Short-term treatment with proton-pump inhibitors may help predict abnormal 24-hour pH monitoring results among patients with symptoms suggestive of GERD.

• #1 Diagnosis and management of extraesophageal gastroesophageal reflux disease (GERD) – American Gastroenterological AssociationAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-extraesophageal-gastroesophageal-reflux-disease-gerd/

  6. In patients with suspected extraesophageal manifestation of GERD who have failed one trial (up to 12 weeks) of PPI therapy, one should consider objective testing for pathologic GER, because additional trials of different PPIs are low yield. […] 7. Initial testing to evaluate for reflux should be tailored to patients’ clinical presentation and can include upper endoscopy and ambulatory reflux monitoring studies of acid suppressive therapy. […] 8. Testing can be considered for those with an established objective diagnosis of GERD who do not respond to high doses of acid suppression. Testing can include pH-impedance monitoring while on acid suppression to evaluate the role of ongoing acid or non-acid reflux. […] 9. Alternative treatment methods to acid suppressive therapy (e.g., lifestyle modifications, alginate-containing antacids, external upper esophageal sphincter compression device, cognitive-behavioral therapy, neuromodulators) may serve a role in management of EER symptoms.

• #1 Modern diagnosis of GERD: the Lyon Consensus | Gut

  https://gut.bmj.com/content/67/7/1351

  Clinical history, questionnaire data and response to antisecretory therapy are insufficient to make a conclusive diagnosis of GERD in isolation, but are of value in determining need for further investigation. […] Conclusive evidence for reflux on oesophageal testing include advanced grade erosive oesophagitis (LA grades C and D), long-segment Barretts mucosa or peptic strictures on endoscopy or distal oesophageal acid exposure time (AET) 6% on ambulatory pH or pH-impedance monitoring. […] A normal endoscopy does not exclude GERD, but provides supportive evidence refuting GERD in conjunction with distal AET 4%and 40reflux episodes on pH-impedance monitoring off proton pump inhibitors. […] Reflux-symptom association on ambulatory reflux monitoring provides supportive evidence for reflux triggered symptoms, and may predict a better treatment outcome when present.

• #1 Acid Reflux & GERD: Symptoms, What It Is, Causes, Treatment

  https://my.clevelandclinic.org/health/diseases/17019-acid-reflux-gerd

  Esophageal manometry. This test measures the muscle activity in your esophagus, using pressure sensors embedded in a nasogastric tube. It can confirm if your LES or other muscles aren’t working right. […] Some people find they can reduce acid reflux with lifestyle adjustments, like changing their eating habits, reducing alcohol and tobacco and losing weight. Healthcare providers encourage this approach. […] But if you have chronic acid reflux or GERD, they also recommend medicines to reduce your stomach acid, so reflux is less damaging. These medicines are easily available and highly effective for GERD. […] Over-the-counter (OTC) medicines for acid reflux include: Antacids. Antacids (like Tums and Rolaids) neutralize your stomach acid so that when reflux happens, it isn’t as corrosive to your esophagus.

• #1 2020 Seoul Consensus on the Diagnosis and Management of Gastroesophageal Reflux Disease

  https://www.jnmjournal.org/journal/view.html?uid=1702&vmd=Full&

  Gastroesophageal reflux disease (GERD) is a condition in which gastric contents regurgitate into the esophagus or beyond, resulting in either troublesome symptoms or complications. […] GERD diagnosis can be established with symptomatology, pathology, or physiology. […] In GERD with typical symptoms, a proton pump inhibitor test can be recommended as a sensitive, cost-effective, and practical test for GERD diagnosis. […] Twenty-four-hour ambulatory pH-impedance monitoring is indicated in patients with GERD symptoms that are refractory to PPI therapy. This test is also recommended before anti-reflux surgery. […] A value of the total esophageal acid exposure time of 4% is defined as an abnormal finding in Asian adults. […] Esophageal manometry is useful in the assessment of peristaltic function and exclusion of alternative motility disorders. Therefore, esophageal manometry should be performed before anti-reflux surgery in patients with GERD.

• #1 Reflux Testing and Treatment – Diagnosing GERD | Medtronic

  https://www.medtronic.com/en-us/l/patients/treatments-therapies/reflux-disease-testing-treatment/gerd/diagnosis.html

  Insights gained from reflux testing help your physician choose the right treatment option. […] The Digitrapper reflux testing system helps your physician determine the root cause of your symptoms. […] The ManoScan high resolution manometry system helps physicians diagnose conditions related to dysphagia through a swallowing test.

• #1 Gastroesophageal reflux disease (GERD) – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/gerd/diagnosis-treatment/drc-20361959

  X-rays are taken after drinking a chalky liquid that coats and fills the inside lining of the digestive tract. […] This test measures the rhythmic muscle contractions in the esophagus while swallowing. […] This test is done to look for any damage in the esophagus. […] A healthcare professional is likely to recommend trying lifestyle changes and nonprescription medicines as a first line of treatment. If you don’t experience relief within a few weeks, prescription medicine and additional testing may be recommended. […] Prescription-strength treatments for GERD include: […] Surgery for GERD may involve a procedure to reinforce the lower esophageal sphincter. The procedure is called Nissen fundoplication. In this procedure, the surgeon wraps the top of the stomach around the lower esophagus. This reinforces the lower esophageal sphincter, making it less likely that acid might back up in the esophagus. […] The LINX device is an expandable ring of magnetic beads that keeps stomach acid from backing up into the esophagus, but allows food to pass into the stomach.

• #1 GERD Diagnosis: Diagnosing Gastroesophageal Reflux Disease | Cooper University Health Care

  https://www.cooperhealth.org/services/gastroesophageal-reflux-disease-gerd/diagnosis

  Although an upper endoscopy is the most common diagnostic test for GERD, other diagnostic tests may be appropriate based on your unique circumstances, including: […] Blood tests are not an appropriate diagnostic test because GERD is not caused by a virus or bacteria. […] Upper endoscopy is the primary test used to diagnose GERD and requires sedation. […] A barium esophagram often referred to as a barium swallow is an imaging test that uses X-rays to look at the upper GI tract. […] An upper gastrointestinal (GI) series involves X-rays imaging of the esophagus, stomach and part of the small intestine. […] High-resolution esophageal manometry is used to detect motility disorders of the esophagus and is often used to determine if there are problems with the way food moves from the esophagus to the stomach.

• #1

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  We do not recommend the use of a barium swallow solely as a diagnostic test for GERD (conditional recommendation, low level of evidence). […] We recommend endoscopy as the first test for evaluation of patients presenting with dysphagia or other alarm symptoms (weight loss and GI bleeding) and for patients with multiple risk factors for Barrett’s esophagus (strong recommendation, low level of evidence). […] In patients for whom the diagnosis of GERD is suspected but not clear, and endoscopy shows no objective evidence of GERD, we recommend reflux monitoring be performed off therapy to establish the diagnosis (strong recommendation, low level of evidence). […] We recommend against performing reflux monitoring off therapy solely as a diagnostic test for GERD in patients known to have endoscopic evidence of Los Angeles (LA) grade C or D reflux esophagitis or in patients with long-segment Barrett’s esophagus (strong recommendation, low level of evidence).

• #1 Gastroesophageal Reflux Disease: Diagnosis and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/1999/0301/p1161.html

  In the absence of classic symptoms, GERD becomes more difficult to diagnose. Other symptoms that may be caused by GERD are atypical chest pain, hoarseness, nausea, cough, odynophagia and asthma. […] A recent study demonstrated a potential role for a proton pump inhibitor, omeprazole (Prilosec), in the diagnosis of GERD. The response of symptoms to omeprazole, in a dosage of 40 mg per day for 14 days, was shown to be about as specific and sensitive for the diagnosis of GERD as the results of 24-hour pH monitoring. […] Endoscopy is useful for diagnosing the complications of GERD, such as Barrett’s esophagus, esophagitis and strictures, but it is not sensitive for diagnosis of GERD itself. Only 50 percent of patients with GERD manifest macroscopic evidence on endoscopy. […] Ambulatory pH monitoring is generally considered the diagnostic gold standard for use in patients with GERD. In this study, a pH monitor is placed in the esophagus above the lower esophageal sphincter, and the pH is recorded at given moments in time.

• #1 Diagnosis and management of extraesophageal gastroesophageal reflux disease (GERD) – American Gastroenterological AssociationAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-extraesophageal-gastroesophageal-reflux-disease-gerd/

  Experts provide 10 new best practices for diagnosing and managing your patients with extraesophageal GERD. […] 1. Gastroenterologists should be aware of potential extraesophageal manifestations of gastroesophageal reflux disease (GERD) and should inquire about such disorders including laryngitis, chronic cough, asthma and dental erosions in GERD patients to determine whether GERD may be a contributing factor to these conditions. […] 2. Development of a multidisciplinary approach to extraesophageal (EER) manifestations is an important consideration because the conditions are often multifactorial, requiring input from non-gastroenterology specialties. Results from diagnostic testing (i.e., bronchoscopy, thoracic imaging, laryngoscopy, etc.) from non-GI disciplines should be taken into consideration when gastroesophageal reflux (GER) is considered as a cause for extraesophageal symptoms.

• #1 :: PGHN :: Pediatric Gastroenterology, Hepatology & Nutrition

  https://pghn.org/DOIx.php?id=10.5223/pghn.2019.22.2.107

  According to the guidelines of the NASPGHAN-ESPGHAN, refractory GERD is GERD which does not or insufficiently responds to optimal treatment after 8 weeks. […] The sensitivity of erosive esophagitis in diagnosing GERD was reported to range from 15% up to 71% and the sensitivity of microscopic esophagitis in diagnosing GERD was between 83% and 88%. […] These findings indicate that a biopsy without the hallmarks of esophagitis or the absence of macroscopic lesions does not rule out the presence of GERD. […] There is insufficient evidence to support the use of endoscopy with or without biopsy for the diagnosis of GERD in infants and children. […] The indications to perform pH-MII are: 1) to measure the efficacy of acid suppression medication; 2) to differentiate NERD, hypersensitive esophagus, and functional heartburn in patients with normal endoscopies and histology; 3) to correlate persistent troublesome symptoms with acid and non-acid GER events; and 4) to establish the role of acid and non-acid reflux in the etiology of esophagitis and other signs and symptoms suggestive of GERD.

• #1 Refractory Gastroesophageal Reflux Disease: Diagnosis and Management

  https://www.jnmjournal.org/view.html?uid=1890&vmd=Full

  Proper diagnosis and management of refractory GERD is critical to mitigate undesirable long-term complications such as strictures, Barretts esophagus, and esophageal adenocarcinoma. This review outlines the diagnostic workup of patients presenting with refractory GERD symptoms, describes the distinction between unproven and proven GERD, and provides a comprehensive review of the current treatment strategies available for the management of refractory GERD. […] Persistent symptoms despite acid suppressive therapy may be inappropriately labeled as refractory GERD. Indeed, the literature highlights failure to meet diagnostic criteria for GERD in 47-65% of patients with persistent symptoms despite PPI therapy. […] In this review, we illustrate the recommended diagnostic evaluation for patients suspected to have refractory GERD and discuss available management strategies in this population.

• #1 Refractory Gastroesophageal Reflux Disease: Diagnosis and Management

  https://www.jnmjournal.org/view.html?uid=1890&vmd=Full

  The defining features of GERD include an abnormal reflux monitoring study and/or findings on upper endoscopy that corroborate pathologic acid exposure, such as EE or Barretts esophagus. […] Much variability exists in the current literature regarding the definition of refractory GERD. Persistent evidence of pathologic reflux (abnormal ambulatory reflux monitoring and/or EE on endoscopy) while on antisecretory therapy defines refractory GERD. […] Diagnostic testing for the objective presence of GERD parameters can direct further management in the patient with persistent symptoms despite empiric acid suppressive therapy. […] When upper endoscopy is unrevealing, ambulatory reflux monitoring performed off PPI therapy can detect abnormal reflux burden to conclusively diagnose GERD. […] The primary metric assessed from reflux monitoring studies is acid exposure time (AET), the percent time distal esophageal pH is 4.0 over the course of each day for wireless pH studies, or for the extent of the study for catheter based pH and pH-impedance studies.

• #1 Gastroesophageal reflux disease (GERD) – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/gerd/symptoms-causes/syc-20361940

  Make an appointment with a healthcare professional if you: Have severe or frequent GERD symptoms. […] Over time, long-lasting inflammation in the esophagus can cause: Inflammation of the tissue in the esophagus, known as esophagitis. […] Damage to the lower esophagus from stomach acid causes scar tissue to form. The scar tissue narrows the food pathway, leading to problems with swallowing. […] Damage from acid can cause changes in the tissue lining the lower esophagus. These changes are associated with an increased risk of esophageal cancer.

• #1 Gastroesophageal Reflux Disease (GERD) – Gastrointestinal Disorders – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/gastrointestinal-disorders/esophageal-and-swallowing-disorders/gastroesophageal-reflux-disease-gerd

  Incompetence of the lower esophageal sphincter allows reflux of gastric contents into the esophagus, causing burning pain. […] Diagnosis is clinical, sometimes with endoscopy, with or without acid testing. […] Diagnosis of GERD includes clinical diagnosis, endoscopy for patients not responding to empiric treatment, and advanced pH testing for patients with typical symptoms but normal endoscopy. […] A detailed history points to the diagnosis. Patients with typical symptoms of GERD may be given a trial of acid-suppressing therapy. […] Endoscopy, with cytologic washings and/or biopsy of abnormal areas, is the test of choice. […] Patients with unremarkable endoscopy findings who have typical symptoms despite treatment with proton pump inhibitors should undergo advanced pH testing. […] Per the Lyon Consensus, grades C and D esophagitis are objective evidence of GERD. […] Diagnose clinically; do endoscopy in patients not responding to empiric treatment and consider advanced pH monitoring if endoscopy is normal in patients with typical symptoms.

• #1 Diagnostic and therapeutic management in gastroesophageal reflux disease: consensus of the Polish Society of Gastroenterology – Polish Archives of Internal Medicine

  https://www.mp.pl/paim/issue/article/16196/

  Barretts esophagus is diagnosed by the presence of glandular epithelium covering at least 1 cm of the distal part of the esophagus, with histopathological evidence of intestinal metaplasia. […] Long-term endoscopic surveillance is recommended in patients with Barretts esophagus. […] In patients diagnosed with dysplasia and a very long metaplastic segment ( 10 cm) should be monitored or treated in a center specialized in the management of Barretts esophagus. […] In patients with Barretts esophagus and GERD symptoms and / or esophagitis, it is recommended to use PPIs at doses sufficient to control GERD symptoms and heal inflammatory lesions. […] Endoscopic treatment of Barretts esophagus should be carried out in an expert center specializing in this field. […] Endoscopic treatment of esophageal adenocarcinoma T1a meeting the criteria for oncological completeness is considered the treatment of choice.

• #1 Diagnosis and Management of Refractory Gastroesophageal Reflux Disease – Gastroenterology & Hepatology

  https://www.gastroenterologyandhepatology.net/archives/july-2021/diagnosis-and-management-of-refractory-gastroesophageal-reflux-disease/

  Overlap esophageal syndromes (eg, reflux hypersensitivity, functional heartburn, functional chest pain) in the setting of proven GERD may contribute prominently to symptoms in patients with suboptimal responses to PPI therapy through visceral hypersensitivity and/or hypervigilance mechanisms. […] Patients with persistent symptoms potentially attributable to GERD that do not resolve with appropriate trials of PPI therapy deserve appropriate evaluation to guide their management.

• #1

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  Approximately two-thirds of pregnant women experience heartburn, which can begin in any trimester. […] A recently approved device for evaluation of GERD uses a catheter-based balloon lined by sensors that measure mucosal impedance during endoscopy. This technique has shown promise for differentiating GERD from EoE and may develop to be a useful adjunct to endoscopy in the diagnosis of GERD.

• #1 A new technique to diagnose gastroesophageal reflux disease | CEG

  https://www.dovepress.com/esophageal-mucosal-admittance-a-new-technique-to-diagnose-gastroesopha-peer-reviewed-fulltext-article-CEG

  Esophageal mucosal admittance (MA) is a promising diagnostic method for gastroesophageal reflux disease (GERD). We conducted a study to describe the esophageal MA in patients with reflux symptoms and determine its diagnostic accuracy. […] According to the 2018 Lyon Consensus, we would diagnose GERD if one of the following criteria was met: on endoscopy (1) erosive esophagitis LA grades C to D; (2) long-segment Barretts esophagus; (3) esophageal stricture; or on 24-hour pH-impedance monitoring (4) AET 6%. Patients who did not meet any criteria were considered to have no GERD (non-GERD). […] In this study, we explored the role of the esophageal MA in GERD diagnosis. Although the median MA tended to be higher in GERD patients, the difference was not remarkable for the MA to be of diagnostic value. MA was not correlated to pH-impedance parameters used to diagnose GERD (AET, DeMeester score, and MNBI). […] Esophageal MA was not different between GERD and non-GERD patients. The diagnostic model integrating MA did not have high accuracy in diagnosing GERD.

• #1 2020 Seoul Consensus on the Diagnosis and Management of Gastroesophageal Reflux Disease

  https://www.jnmjournal.org/journal/view.html?uid=1702&vmd=Full&

  Novel impedance parameters, including baseline impedance and post-reflux swallow-induced peristaltic wave, are promising in the GERD diagnosis and increase GERD diagnostic yield. […] The 2020 Seoul Consensus on GERD Clinical Practice Guidelines present new evidence-based and expert-approved standards for the diagnosis and treatment of GERD in Asia.

• #2 Diagnosing Gastroesophageal Reflux Disease | NYU Langone Health

  https://nyulangone.org/conditions/gastroesophageal-reflux-disease/diagnosis

  Gastroesophageal reflux disease, or GERD, is a chronic condition in which acid in the stomach and sometimes nonacidic content flows into the esophagus, the tube that carries food from the mouth to the stomach. NYU Langone doctors are highly experienced in diagnosing and treating GERD. […] GERD may also be caused by a hiatal hernia, a condition in which the upper portion of the stomach bulges into the chest cavity through an opening in the diaphragm. […] NYU Langone gastroenterologists use the newest and most effective diagnostic tools to determine the cause and severity of GERD. Our gastroenterologists can sometimes diagnose GERD based on your symptoms alone, but they also often perform one or more of the following diagnostic tests. […] These tests also allow your doctor to take a close look at the lining of the esophagus for signs of damage that may indicate esophagitis or Barretts esophagus.

• #2 Acid Reflux & GERD: Symptoms, What It Is, Causes, Treatment

  https://my.clevelandclinic.org/health/diseases/17019-acid-reflux-gerd

  GERD stands for gastroesophageal reflux disease. Depending on where you live, it may be spelled GORD for gastro-oesophageal reflux disease. However you spell it, GERD is chronic acid reflux in your esophagus. Acid reflux is considered chronic when you’ve had it at least twice a week for several weeks. […] A gastroenterologist will evaluate your esophagus to diagnose GERD. Tests may include: […] An esophagram is a type of X-ray exam. It takes moving X-rays (fluoroscopy) of your esophagus while you swallow. For the test, you swallow a chalky liquid called barium. […] An upper endoscopy involves looking inside your esophagus with a camera. The camera is on the end of a thin tube that passes through your mouth while you’re asleep under light sedation. […] An esophageal pH test. This test measures the acid content inside your esophagus through a small wireless receiver. Your provider places the receiver in your esophagus during an endoscopy.

• #2 Gastroesophageal Reflux Disease: Diagnosis and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/1999/0301/p1161.html

  In the absence of classic symptoms, GERD becomes more difficult to diagnose. Other symptoms that may be caused by GERD are atypical chest pain, hoarseness, nausea, cough, odynophagia and asthma. […] A recent study demonstrated a potential role for a proton pump inhibitor, omeprazole (Prilosec), in the diagnosis of GERD. The response of symptoms to omeprazole, in a dosage of 40 mg per day for 14 days, was shown to be about as specific and sensitive for the diagnosis of GERD as the results of 24-hour pH monitoring. […] Endoscopy is useful for diagnosing the complications of GERD, such as Barrett’s esophagus, esophagitis and strictures, but it is not sensitive for diagnosis of GERD itself. Only 50 percent of patients with GERD manifest macroscopic evidence on endoscopy. […] Ambulatory pH monitoring is generally considered the diagnostic gold standard for use in patients with GERD. In this study, a pH monitor is placed in the esophagus above the lower esophageal sphincter, and the pH is recorded at given moments in time.

• #2 Gastroesophageal Reflux Disease (GERD): Diagnosis & Treatment | NewYork-Presbyterian

  https://www.nyp.org/digestive/esophageal-diseases/gastroesophageal-reflux-disease-gerd/treatment

  How is GERD Diagnosed? Diagnosis The first step toward treating your GERD effectively is confirming what is causing your symptoms. Your doctor may initially diagnose GERD by assessing your symptoms and seeing how well you respond to acid-reducing medications. Testing for GERD diagnosis may include: Esophagogastroduodenoscopy (also called EGD or upper endoscopy). A gastroenterologist inserts a flexible camera (an endoscope) through your mouth to look at your esophagus, stomach and small bowel for any abnormalities and possibly take tissue samples of any abnormal tissue (such as Barretts esophagus). […] Wireless pH capsule (Bravo). During an endoscopy, a tiny capsule is attached to the inside of the esophagus. You will carry a recording device that keeps track of how much acid reflux occurs over a 4 day period. You will also keep a diary of any symptoms, and your physician will determine if they are related to acid reflux. The capsule detaches on its own and is passed in the stool. The information obtained is interpreted later by a gastroenterologist trained in esophageal diseases.

• #2 Diagnosis of Gastroesophageal Reflux Disease

  https://www.ciplamed.com/explore/resources/diagnosis-of-gastroesophageal-reflux-disease

  Radiology (barium esophagogram) is an inexpensive and non-invasive procedure for diagnosing GERD. When the organs of the GI tract are covered with barium, the anatomy of the organs including the esophageal structure and presence of hiatal hernia is possible to visualize. It is generally not used to make a diagnosis of GERD but to confirm presence of esophageal structural lesions or hiatal hernia. Most patients with GERD symptoms have a normal endoscopic diagnosis and are thought to experience non erosive reflux disease (NERD).

• #2 GERD (Acid Reflux, Heartburn) Symptoms, Treatment, Foods, Diet

  https://www.medicinenet.com/gastroesophageal_reflux_disease_gerd/article.htm

  Esophageal acid testing is considered a „gold standard” for diagnosing GERD. […] The amount of time that the esophagus contains acid is determined by a test called a 24-hour esophageal pH test. […] Esophageal motility testing determines how well the muscles of the esophagus are working. […] There are several ways to approach the evaluation and management of GERD. The approach depends primarily on the frequency and severity of symptoms, the adequacy of the response to treatment, and the presence of complications. […] If at the time of evaluation, some symptoms or signs suggest complicated GERD or a disease other than GERD or if the relief of symptoms with H2 antagonists or PPIs is not satisfactory, a further evaluation by endoscopy (EGD) definitely should be done.

• #2 2020 Seoul Consensus on the Diagnosis and Management of Gastroesophageal Reflux Disease

  https://www.jnmjournal.org/journal/view.html?uid=1702&vmd=Full&

  Gastroesophageal reflux disease (GERD) is a condition in which gastric contents regurgitate into the esophagus or beyond, resulting in either troublesome symptoms or complications. […] GERD diagnosis can be established with symptomatology, pathology, or physiology. […] In GERD with typical symptoms, a proton pump inhibitor test can be recommended as a sensitive, cost-effective, and practical test for GERD diagnosis. […] Twenty-four-hour ambulatory pH-impedance monitoring is indicated in patients with GERD symptoms that are refractory to PPI therapy. This test is also recommended before anti-reflux surgery. […] A value of the total esophageal acid exposure time of 4% is defined as an abnormal finding in Asian adults. […] Esophageal manometry is useful in the assessment of peristaltic function and exclusion of alternative motility disorders. Therefore, esophageal manometry should be performed before anti-reflux surgery in patients with GERD.

• #2 Modern diagnosis of GERD: the Lyon Consensus | Gut

  https://gut.bmj.com/content/67/7/1351

  When endoscopy and pH or pH-impedance monitoring are inconclusive, adjunctive evidence from biopsy findings (histopathology scores, dilated intercellular spaces), motor evaluation (hypotensive lower oesophageal sphincter, hiatus hernia and oesophageal body hypomotility on high-resolution manometry) and novel impedance metrics (baseline impedance, postreflux swallow-induced peristaltic wave index) can add confidence for a GERD diagnosis; however, diagnosis cannot be based on these findings alone. […] An assessment of anatomy, motor function, reflux burden and symptomatic phenotype will therefore help direct management. […] Future GERD management strategies should focus on defining individual patient phenotypes based on the level of refluxate exposure, mechanism of reflux, efficacy of clearance, underlying anatomy of the oesophagogastric junction and psychometrics defining symptomatic presentations.

• #2 Gastroesophageal Reflux Disease (GERD): Diagnosis & Treatment | NewYork-Presbyterian

  https://www.nyp.org/digestive/esophageal-diseases/gastroesophageal-reflux-disease-gerd/treatment

  Esophageal pH Impedance: A thin tube is placed through your nose into your esophagus to measure the amount of fluid coming into your esophagus from the stomach (reflux) over a 24-hour time period. It also measures if your symptoms occur at the same time as your reflux episodes. […] High-resolution esophageal manometry with or without impedance testing measures the pressure, strength, and coordination of the muscles in your esophagus and esophageal sphincter. A very thin tube is passed through your nose and down into your stomach. Esophageal muscle function is measured while you swallow sips of liquid. […] Esophagram: in this test, you are given liquid barium and x-rays are taken to evaluate your swallow as well as your entire esophagus as it empties into your stomach. A tablet may also be given and x-rays taken to assess if it passes.

• #2 2020 Seoul Consensus on the Diagnosis and Management of Gastroesophageal Reflux Disease

  https://www.jnmjournal.org/journal/view.html?uid=1702&vmd=Full&

  Novel impedance parameters, including baseline impedance and post-reflux swallow-induced peristaltic wave, are promising in the GERD diagnosis and increase GERD diagnostic yield. […] The 2020 Seoul Consensus on GERD Clinical Practice Guidelines present new evidence-based and expert-approved standards for the diagnosis and treatment of GERD in Asia.

• #2

  https://www.aurorahealthcare.org/services/gastroenterology-colorectal-surgery/gastroesohageal-reflux-gerd

  When acid reflux starts to happen frequently and you have other symptoms, you may have developed gastroesophageal reflux disease (GERD). […] To receive a diagnosis for GERD, you’ll meet with your doctor to talk about your symptoms. Your doctor will also perform a physical exam and may order tests, including: […] Endoscopy: A flexible tube equipped with a light and a tiny camera (endoscope) is inserted down the throat to see inside the esophagus and stomach. If needed, a tissue sample (biopsy) can be done during an endoscopy. […] pH monitoring: This test checks for stomach acid in the esophagus. […] Motility testing: This measures if the esophagus is working properly. A thin, flexible tube (catheter) is inserted into the nose, down the esophagus and into the stomach.

• #2 GERD Diagnosis | Stanford Health Care

  https://stanfordhealthcare.org/medical-conditions/digestion-and-metabolic-health/gastroesophageal-reflux-disease-gerd/diagnosis.html

  Gastroesophageal reflux disease (GERD) Diagnosis […] The first step to diagnosing GERD is a thorough physical exam and complete medical history. During the visit, it is important to tell your doctor how often you have heartburn symptoms. […] Our specialists offer advanced testing methods to help accurately diagnose GERD and measure the level of damage to your esophagus. These include: […] Esophageal pH studies measure acid reflux levels in the esophagus for 24 hours, using a tube with an acid (pH) sensor at the tip. Similarly, the Bravo Wireless pH Monitoring Capsule measures acid levels for up to 96 hours. A combined 24-hour pH/impedance allows dual monitoring of both acid and non-acid reflux. […] Barium swallow (esophagram), also called an upper GI series, is an X-ray of the digestive tract using a special dye (barium) to show narrowing (stricture) and other abnormalities.

• #2 GERD: A practical approach | Cleveland Clinic Journal of Medicine

  https://www.ccjm.org/content/87/4/223

  Endoscopy should be performed in any patient with the alarm symptoms described above, and also in patients whose symptoms do not respond to a PPI. […] Esophageal pH monitoring is indicated in patients with persistent symptoms and normal findings on endoscopy before surgical or endoscopic interventions are considered. […] Barium esophagography is not indicated in the workup of reflux disease as it has poor sensitivity and specificity for GERD.

• #2 Diagnostic and therapeutic management in gastroesophageal reflux disease: consensus of the Polish Society of Gastroenterology – Polish Archives of Internal Medicine

  https://www.mp.pl/paim/issue/article/16196/

  The assessment of clinical symptoms is the first step in the diagnostic and therapeutic management of GERD. […] GERD diagnosis can be made on the basis of the presence of troublesome heartburn and / or regurgitation (typical symptoms). […] Sensitivity and specificity of atypical symptoms in GERD diagnosis are lower than of typical symptoms. The etiology of extraesophageal symptoms is multifactorial, and GERD probability is low in the absence of typical symptoms. […] The presence of alarm symptoms requires imaging studies to be performed in order to exclude an organic disease. […] The 14-day proton pump inhibitor test should not be used routinely for GERD diagnosis. […] EGD is necessary in patients reporting alarm symptoms. […] EGD is not required when typical symptoms of GERD are present. The indication for EGD is a lack of a response to empirical PPI treatment.

• #2 Diagnosis and management of extraesophageal gastroesophageal reflux disease (GERD) – American Gastroenterological AssociationAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-extraesophageal-gastroesophageal-reflux-disease-gerd/

  3. Currently, there is no single diagnostic tool that can conclusively identify GER as the cause of EER symptoms. Determination of the contribution of GER to EER symptoms should be based on the global clinical impression derived from patients’ symptoms, response to GER therapy, and results of endoscopy and reflux testing. […] 4. Consideration should be given toward diagnostic testing for reflux before initiation of proton pump inhibitor (PPI) therapy in patients with potential extraesophageal manifestations of GERD, but without typical GERD symptoms. Initial single-dose PPI trial, titrating up to twice daily in those with typical GERD symptoms, is reasonable. […] 5. Symptom improvement of EER manifestations while on PPI therapy may result from mechanisms of action other than acid suppression and should not be regarded as confirmation for GERD.

• #2 Refractory Gastroesophageal Reflux Disease: Diagnosis and Management

  https://www.jnmjournal.org/view.html?uid=1890&vmd=Full

  Gastroesophageal reflux disease (GERD) is common, with increasing worldwide disease prevalence and high economic burden. A significant number of patients will remain symptomatic following an empiric proton pump inhibitor (PPI) trial. Persistent symptoms despite PPI therapy are often mislabeled as refractory GERD. […] For patients with no prior GERD evidence (unproven GERD), testing is performed off antisecretory therapy to identify objective evidence of pathologic reflux using criteria outlined by the Lyon consensus. In proven GERD, differentiation between refractory symptoms (persisting symptoms despite optimized antisecretory therapy) and refractory GERD (abnormal reflux metrics on ambulatory pH impedance monitoring and/or persistent erosive esophagitis on endoscopy while on optimized PPI therapy) can direct subsequent management.

• #2 Refractory Gastroesophageal Reflux Disease: Diagnosis and Management

  https://www.jnmjournal.org/view.html?uid=1890&vmd=Full

  The defining features of GERD include an abnormal reflux monitoring study and/or findings on upper endoscopy that corroborate pathologic acid exposure, such as EE or Barretts esophagus. […] Much variability exists in the current literature regarding the definition of refractory GERD. Persistent evidence of pathologic reflux (abnormal ambulatory reflux monitoring and/or EE on endoscopy) while on antisecretory therapy defines refractory GERD. […] Diagnostic testing for the objective presence of GERD parameters can direct further management in the patient with persistent symptoms despite empiric acid suppressive therapy. […] When upper endoscopy is unrevealing, ambulatory reflux monitoring performed off PPI therapy can detect abnormal reflux burden to conclusively diagnose GERD. […] The primary metric assessed from reflux monitoring studies is acid exposure time (AET), the percent time distal esophageal pH is 4.0 over the course of each day for wireless pH studies, or for the extent of the study for catheter based pH and pH-impedance studies.

• #2 Refractory Gastroesophageal Reflux Disease: Diagnosis and Management

  https://www.jnmjournal.org/view.html?uid=1890&vmd=Full

  Suboptimal symptom control in patients with proven GERD despite optimized antisecretory therapy warrants further investigation aimed at determining whether refractory GERD symptoms are secondary to inadequate reflux control versus alternate non-GERD esophageal and/or non-esophageal disorders. […] Reflux evaluation using pH-impedance monitoring while on optimized PPI therapy is the mainstay in diagnostic assessment when endoscopy is unrevealing, regardless of how GERD was initially confirmed. […] In patients with objective evidence of refractory GERD and persistent symptoms despite optimization of medical therapy, invasive surgical, or endoscopic anti-reflux interventions are options. […] Persistent esophageal symptoms despite seemingly adequate acid suppressive therapy is the starting point for evaluation to determine if GERD evidence exists. Refractory GERD is diagnosed when abnormal reflux metrics persist on endoscopy and/or pH impedance monitoring performed on optimized GERD therapy in patients with previously proven GERD.

• #2

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  A well-performed but older systematic review found a variable sensitivity of heartburn and regurgitation for erosive esophagitis (EE) (30%76%), with the specificity ranging from 62 to 96%. […] Diagnoses of GERD by extraesophageal symptoms alone or by their response to PPIs are unreliable because of poor sensitivity and specificity for GERD and not recommended. […] Barium radiographs should not be used solely as a diagnostic test for GERD. The presence of reflux on a barium esophagram or upper GI series has poor sensitivity and specificity for GERD when compared with pH testing. […] Upper endoscopy is the most widely used objective test for evaluating the esophageal mucosa. […] The endoscopic findings of EE and Barrett’s esophagus are specific for the diagnosis of GERD. […] The finding of any Barrett’s esophagus segment 3 cm with intestinal metaplasia on biopsy is diagnostic of GERD and obviates the need for pH testing merely to confirm that diagnosis.

• #2 Gastroscopy for GERD: A Diagnostic Tool for Acid Reflux Patients

  https://curasia.com/gastroscopy-for-gerd-a-diagnostic-tool-for-acid-reflux-patients/

  Gastroesophageal reflux disease (GERD) is a common and often chronic condition characterized by the backward flow of stomach acid into the esophagus, leading to a range of symptoms. Gastroscopy, a diagnostic procedure, plays a crucial role in the evaluation and management of GERD. […] Timely and accurate diagnosis is crucial for effective treatment and preventing the progression of the disease. […] Gastroscopy, also known as an upper endoscopy, is a diagnostic procedure that involves the insertion of a flexible tube with a light and camera (endoscope) through the mouth and into the esophagus, stomach, and the beginning of the small intestine. […] One of the primary objectives of gastroscopy in the context of GERD is to visualize the esophageal lining. […] As the endoscope advances, real-time images are displayed on a monitor, allowing the healthcare professional to thoroughly examine the esophageal lining.

• #2 Diagnostic and therapeutic management in gastroesophageal reflux disease: consensus of the Polish Society of Gastroenterology – Polish Archives of Internal Medicine

  https://www.mp.pl/paim/issue/article/16196/

  Barretts esophagus is diagnosed by the presence of glandular epithelium covering at least 1 cm of the distal part of the esophagus, with histopathological evidence of intestinal metaplasia. […] Long-term endoscopic surveillance is recommended in patients with Barretts esophagus. […] In patients diagnosed with dysplasia and a very long metaplastic segment ( 10 cm) should be monitored or treated in a center specialized in the management of Barretts esophagus. […] In patients with Barretts esophagus and GERD symptoms and / or esophagitis, it is recommended to use PPIs at doses sufficient to control GERD symptoms and heal inflammatory lesions. […] Endoscopic treatment of Barretts esophagus should be carried out in an expert center specializing in this field. […] Endoscopic treatment of esophageal adenocarcinoma T1a meeting the criteria for oncological completeness is considered the treatment of choice.

• #2 Diagnosis of Gastroesophageal Reflux Disease

  https://www.ciplamed.com/explore/resources/diagnosis-of-gastroesophageal-reflux-disease

  Many clinicians use the patient response to PPI therapy as a diagnostic tool for presence of GERD. Generally, a short course of a PPI (once daily for 2 weeks) is considered enough to support a diagnosis of GERD. This test is useful to distinguish GERD when symptoms of non-cardiac chest pain are present. However, PPI trial has limited utility in patients with erosive esophagitis. Patients who do not respond to PPI therapy should be evaluated using other tests like pH monitoring or endoscopy. […] The best way to diagnose erosive reflux disease is through upper gastrointestinal endoscopy. However, endoscopy is not necessary in all patients. The clinical guidelines committee of the American College of Physicians recommended the use of endoscopy in the following situations: Heartburn and alarm symptoms (dysphagia, bleeding, anaemia, weight loss, recurrent vomiting). Typical GERD symptoms that persists despite a therapeutic trial of 4 to 8 weeks of twice-daily proton-pump inhibitor (PPI) therapy. Severe erosive esophagitis after a 2-month course of PPI therapy to assess healing and rule out Barrett’s esophagus. A history of esophageal stricture with recurrent symptoms of dysphagia. Men >50 years with chronic GERD symptoms (>5 years) and additional risk factors (nocturnal reflux symptoms, hiatal hernia, elevated body mass index, tobacco use, intra-abdominal distribution of fat) to detect esophageal adenocarcinoma and Barrett’s esophagus. Surveillance evaluation in men and women with a history of Barrett’s esophagus. In the absence of dysplasia, surveillance examinations should occur at intervals no more frequently than 3 to 5 years. More frequent intervals are indicated in patients with Barrett’s esophagus and dysplasia.

• #2

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  We do not recommend the use of a barium swallow solely as a diagnostic test for GERD (conditional recommendation, low level of evidence). […] We recommend endoscopy as the first test for evaluation of patients presenting with dysphagia or other alarm symptoms (weight loss and GI bleeding) and for patients with multiple risk factors for Barrett’s esophagus (strong recommendation, low level of evidence). […] In patients for whom the diagnosis of GERD is suspected but not clear, and endoscopy shows no objective evidence of GERD, we recommend reflux monitoring be performed off therapy to establish the diagnosis (strong recommendation, low level of evidence). […] We recommend against performing reflux monitoring off therapy solely as a diagnostic test for GERD in patients known to have endoscopic evidence of Los Angeles (LA) grade C or D reflux esophagitis or in patients with long-segment Barrett’s esophagus (strong recommendation, low level of evidence).

• #2 Diagnosing Gastroesophageal Reflux Disease (GERD)

  https://www.verywellhealth.com/gerd-diagnosis-1742331

  This test is done at an outpatient center or a hospital and uses X-rays of your upper GI tract to help spot abnormalities, though it can’t show GERD. […] Your healthcare provider may use an upper endoscopy with a tissue biopsy to diagnose esophagitis. […] Like esophagitis, these issues can also be distinguished from GERD with an upper endoscopy with a tissue biopsy. […] Having frequent heartburn can be because of reflux hypersensitivity or functional heartburn rather than GERD. […] These are typically diagnosed with a patient has symptoms that are not explained by testing.

• #2 A new technique to diagnose gastroesophageal reflux disease | CEG

  https://www.dovepress.com/esophageal-mucosal-admittance-a-new-technique-to-diagnose-gastroesopha-peer-reviewed-fulltext-article-CEG

  Esophageal mucosal admittance (MA) is a promising diagnostic method for gastroesophageal reflux disease (GERD). We conducted a study to describe the esophageal MA in patients with reflux symptoms and determine its diagnostic accuracy. […] According to the 2018 Lyon Consensus, we would diagnose GERD if one of the following criteria was met: on endoscopy (1) erosive esophagitis LA grades C to D; (2) long-segment Barretts esophagus; (3) esophageal stricture; or on 24-hour pH-impedance monitoring (4) AET 6%. Patients who did not meet any criteria were considered to have no GERD (non-GERD). […] In this study, we explored the role of the esophageal MA in GERD diagnosis. Although the median MA tended to be higher in GERD patients, the difference was not remarkable for the MA to be of diagnostic value. MA was not correlated to pH-impedance parameters used to diagnose GERD (AET, DeMeester score, and MNBI). […] Esophageal MA was not different between GERD and non-GERD patients. The diagnostic model integrating MA did not have high accuracy in diagnosing GERD.

• #3 Diagnosis and treatment of gastroesophageal reflux disease

  https://pmc.ncbi.nlm.nih.gov/articles/PMC4133436/

  Gastroesophageal reflux disease (GERD) is a common disease with a prevalence as high as 10%-20% in the western world. […] In certain situations, further diagnostic testing is needed to confirm the diagnosis as well as to assess for complications or alternate causes for the symptoms. […] The diagnosis of GERD is typically made by a combination of clinical symptoms, response to acid suppression, as well as objective testing with upper endoscopy and esophageal pH monitoring. […] Additional testing may be necessary, however, for those who do not respond to acid suppression, those who have alarm symptoms (e.g., dysphagia, odynophagia, iron deficiency anemia, weight loss, etc.) and those who have suffered from the disease for an extended period of time due to concern for Barretts esophagus.

• #3 Gastroesophageal Reflux Disease: Diagnosis and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/1999/0301/p1161.html

  Gastroesophageal reflux disease (GERD) is a chronic, relapsing condition with associated morbidity and an adverse impact on quality of life. The disease is common, with an estimated lifetime prevalence of 25 to 35 percent in the U.S. population. GERD can usually be diagnosed based on the clinical presentation alone. In some patients, however, the diagnosis may require endoscopy and, rarely, ambulatory pH monitoring. […] The symptoms of gastroesophageal reflux disease (GERD) vary from patient to patient, and multiple diagnostic tests and treatments are available. Given the variability of symptoms and the prevalence of GERD, family physicians need to understand the presentations, diagnosis and treatments of this illness. […] When patients present with typical symptoms and no complications, the diagnosis of GERD is usually straightforward. The classic symptoms are heartburn and regurgitation, which may also include dysphagia.

• #3 Gastroesophageal reflux disease – Wikipedia

  https://en.wikipedia.org/wiki/Gastroesophageal_reflux_disease

  The current gold standard for diagnosis of GERD is esophageal pH monitoring. It is the most objective test to diagnose the reflux disease and allows monitoring GERD patients in their response to medical or surgical treatment. One practice for diagnosis of GERD is a short-term treatment with proton-pump inhibitors, with improvement in symptoms suggesting a positive diagnosis. Short-term treatment with proton-pump inhibitors may help predict abnormal 24-hour pH monitoring results among patients with symptoms suggestive of GERD.

• #3

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  A well-performed but older systematic review found a variable sensitivity of heartburn and regurgitation for erosive esophagitis (EE) (30%76%), with the specificity ranging from 62 to 96%. […] Diagnoses of GERD by extraesophageal symptoms alone or by their response to PPIs are unreliable because of poor sensitivity and specificity for GERD and not recommended. […] Barium radiographs should not be used solely as a diagnostic test for GERD. The presence of reflux on a barium esophagram or upper GI series has poor sensitivity and specificity for GERD when compared with pH testing. […] Upper endoscopy is the most widely used objective test for evaluating the esophageal mucosa. […] The endoscopic findings of EE and Barrett’s esophagus are specific for the diagnosis of GERD. […] The finding of any Barrett’s esophagus segment 3 cm with intestinal metaplasia on biopsy is diagnostic of GERD and obviates the need for pH testing merely to confirm that diagnosis.

• #3 GERD Diagnosis | Stanford Health Care

  https://stanfordhealthcare.org/medical-conditions/digestion-and-metabolic-health/gastroesophageal-reflux-disease-gerd/diagnosis.html

  Gastroesophageal reflux disease (GERD) Diagnosis […] The first step to diagnosing GERD is a thorough physical exam and complete medical history. During the visit, it is important to tell your doctor how often you have heartburn symptoms. […] Our specialists offer advanced testing methods to help accurately diagnose GERD and measure the level of damage to your esophagus. These include: […] Esophageal pH studies measure acid reflux levels in the esophagus for 24 hours, using a tube with an acid (pH) sensor at the tip. Similarly, the Bravo Wireless pH Monitoring Capsule measures acid levels for up to 96 hours. A combined 24-hour pH/impedance allows dual monitoring of both acid and non-acid reflux. […] Barium swallow (esophagram), also called an upper GI series, is an X-ray of the digestive tract using a special dye (barium) to show narrowing (stricture) and other abnormalities.

• #3 Diagnosis of Gastroesophageal Reflux Disease

  https://www.ciplamed.com/explore/resources/diagnosis-of-gastroesophageal-reflux-disease

  Histology is useful in diagnosing Barrett`s epithelium and to exclude eosinophilic esophagitis. […] Esophageal pH monitoring is a test that measures how often stomach acid enters the esophagus. The test also measures how long the acid remains in the esophagus. The gold standard for diagnosing pathologic acid reflux is ambulatory intra-esophageal pH monitoring. It can be done using catheter based pH monitoring system or catheter free pH monitoring system (wireless pH capsule). It is indicated in the following conditions: To confirm a diagnosis of GERD before fundoplication, If symptoms exist after anti-reflux surgery, In case of extra-esophageal complications. […] Esophageal manometry measures contractions in the esophagus and in the lower esophageal sphincter. This test is not required for routine diagnosis of GERD. In some patients where it is difficult to diagnose GERD despite using endoscopy, manometry may be useful. This test helps to correlate reflux episodes with symptoms. Every time the lower esophageal sphincter relaxes, it is recorded. And if this period of relaxation correlates with the time that a patient experiences symptoms, it suggests that the person has GERD.

• #3

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  HRM can be used to assess motility abnormalities associated with GERD, but HRM is not alone a diagnostic test for GERD. […] Ambulatory reflux monitoring (pH or impedance-pH) allows for assessment of esophageal acid exposure to establish or refute a diagnosis of GERD and for correlating symptoms with reflux episodes using the symptom index (SI) or symptom association probability (SAP). […] The relationship between symptoms and reflux events can be assessed using the SI or SAP. […] The validity of both of these indices has been questioned, and neither has been demonstrated superior to the other for clinical purposes. […] It is generally recommended to monitor after PPIs are stopped for 7 days if the diagnosis of GERD is not clear and before antireflux surgery or endoscopic therapy for GERD to document abnormal acid reflux.

• #3 GERD Diagnosis | Stanford Health Care

  https://stanfordhealthcare.org/medical-conditions/digestion-and-metabolic-health/gastroesophageal-reflux-disease-gerd/diagnosis.html

  Esophageal manometry testing measures movement and pressure in the esophagus with a small tube through your nose. […] Impedance test measures how liquid moves from your stomach to your esophagus and can be combined with either a pH study or manometry. […] Proton pump inhibitor (PPI) trial therapy is a brief period of medication to control stomach acid production. If you feel better after being on PPI, you probably have GERD. […] Upper endoscopy uses a long, thin tube (endoscope) with a tiny camera to examine the linings of the esophagus and stomach. We may also take tissue samples during the test to examine under a microscope.

• #3 Diagnosis of Gastroesophageal Reflux Disease

  https://www.ciplamed.com/explore/resources/diagnosis-of-gastroesophageal-reflux-disease

  Radiology (barium esophagogram) is an inexpensive and non-invasive procedure for diagnosing GERD. When the organs of the GI tract are covered with barium, the anatomy of the organs including the esophageal structure and presence of hiatal hernia is possible to visualize. It is generally not used to make a diagnosis of GERD but to confirm presence of esophageal structural lesions or hiatal hernia. Most patients with GERD symptoms have a normal endoscopic diagnosis and are thought to experience non erosive reflux disease (NERD).

• #3 Gastroesophageal Reflux Disease (GERD) Imaging: Practice Essentials, Radiography, Nuclear Imaging

  https://emedicine.medscape.com/article/368861-overview

  Mandatory studies include upper GI endoscopy and manometry. Barium esophagogram findings can demonstrate anatomy and possible complications of reflux disease (strictures). Reflux and inadequate gastric emptying may also be demonstrated. High-resolution esophageal manometry (HRM) is an integral part of the diagnostic evaluation of patients with refractory reflux symptoms and should be performed before antireflux surgery. […] If symptoms persist despite empirical therapy and if esophagogastroduodenoscopy (EGD) does not reveal evidence of GERD (esophagitis, peptic esophageal stricture, Barrett mucosa), esophageal function tests are performed, including esophageal manometry and ambulatory reflux monitoring. A conclusive diagnosis of reflux disease cannot be made by using barium esophagography. This technique is not sensitive for the detection of motility disorders.

• #3 Diagnosis and management of extraesophageal gastroesophageal reflux disease (GERD) – American Gastroenterological AssociationAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-extraesophageal-gastroesophageal-reflux-disease-gerd/

  6. In patients with suspected extraesophageal manifestation of GERD who have failed one trial (up to 12 weeks) of PPI therapy, one should consider objective testing for pathologic GER, because additional trials of different PPIs are low yield. […] 7. Initial testing to evaluate for reflux should be tailored to patients’ clinical presentation and can include upper endoscopy and ambulatory reflux monitoring studies of acid suppressive therapy. […] 8. Testing can be considered for those with an established objective diagnosis of GERD who do not respond to high doses of acid suppression. Testing can include pH-impedance monitoring while on acid suppression to evaluate the role of ongoing acid or non-acid reflux. […] 9. Alternative treatment methods to acid suppressive therapy (e.g., lifestyle modifications, alginate-containing antacids, external upper esophageal sphincter compression device, cognitive-behavioral therapy, neuromodulators) may serve a role in management of EER symptoms.

• #3 Modern diagnosis of GERD: the Lyon Consensus | Gut

  https://gut.bmj.com/content/67/7/1351

  The Lyon Consensus proposes that testing always be performed off therapy to demonstrate baseline AET in unproven GERD, meaning no (or low-grade) oesophagitis at endoscopy, and no prior positive pH testing. […] Testing off therapy is also recommended when done to evaluate for ARS. […] In contrast, the Lyon Consensus proposes that patients with proven GERD (prior LA grade C or D oesophagitis, long segment Barretts oesophagus or prior abnormal pH-metry) be evaluated on double-dose PPI therapy to establish correlation between refractory symptoms and reflux episodes and/or to exclude inadequate acid suppression or poor compliance as the mechanism of persisting symptoms. […] This assessment requires pH-impedance (vs pH) monitoring since most reflux episodes on PPI therapy are weakly acidic (pH 47).

• #3 Diagnosis and Management of Refractory Gastroesophageal Reflux Disease – Gastroenterology & Hepatology

  https://www.gastroenterologyandhepatology.net/archives/july-2021/diagnosis-and-management-of-refractory-gastroesophageal-reflux-disease/

  Abstract: In up to half of patients with symptoms suspected to stem from gastroesophageal reflux disease (GERD), these symptoms persist despite treatment with daily proton pump inhibitor (PPI) therapy. […] After introducing the initial evaluation of patients with suspected GERD symptoms, this article discusses approaches to the esophageal diagnostic workup of patients with refractory symptoms in the setting of proven GERD, focusing on EGD, high-resolution manometry (HRM), and pH-impedance monitoring during treatment with PPI therapy. EGD evaluates for esophagitis, peptic stricture, and hiatal hernia, as well as eosinophilic esophagitis. […] In this setting, the diagnostic evaluation may include esophagogastroduodenoscopy (EGD), ambulatory reflux monitoring, and/or esophageal high-resolution manometry (HRM). EGD is generally the initial test performed. GERD is confirmed when an EGD shows findings of advanced esophagitis (Los Angeles [LA] grades C-D), reflux-mediated esophageal strictures, or biopsy-proven long-segment (>3 cm) Barrett esophagus.

• #3 GERD Diagnosis: Information and Testing | Banner Health

  https://www.bannerhealth.com/services/gastroenterology/treatment/gerd/diagnosis

  If you regularly have acid reflux, it is important to consult a health care provider to check if you have gastroesophageal reflux disease (GERD). Your provider can tell you if your symptoms are from GERD or another problem, then recommend a treatment plan thats right for you. […] If your provider thinks you might have GERD, they may suggest one or more of these tests to be sure about the diagnosis and also to check how severe it is. With that information, they can recommend a treatment plan that will work for you. […] Diagnostic tests may include: […] Endoscopy: In this test, your provider starts by giving you a sedation (calming) medicine so you are comfortable and dont feel anything during the procedure. They will then pass a flexible, narrow tube with a very small camera (an endoscope) through your mouth and into your esophagus (the tube-like part of your digestive system that connects your throat to your stomach) and stomach. Endoscopy may spot inflammation, irritation or damage. A small sample of any inflamed tissue may be taken (biopsied) to check for other conditions, like acid reflux and Barretts esophagus.

• #3 Gastroesophageal reflux disease (GERD) – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/gerd/symptoms-causes/syc-20361940

  Make an appointment with a healthcare professional if you: Have severe or frequent GERD symptoms. […] Over time, long-lasting inflammation in the esophagus can cause: Inflammation of the tissue in the esophagus, known as esophagitis. […] Damage to the lower esophagus from stomach acid causes scar tissue to form. The scar tissue narrows the food pathway, leading to problems with swallowing. […] Damage from acid can cause changes in the tissue lining the lower esophagus. These changes are associated with an increased risk of esophageal cancer.

• #4 Patient education: Gastroesophageal reflux disease in adults (Beyond the Basics) – UpToDate

  https://www.uptodate.com/contents/gastroesophageal-reflux-disease-in-adults-beyond-the-basics

  Patient education: Gastroesophageal reflux disease in adults (Beyond the Basics) […] GERD DIAGNOSIS […] The diagnosis of GERD is based on your symptoms as well as other risk factors. […] Diagnosis based on symptoms — If you have the „classic” symptoms of GERD (heartburn and/or regurgitation) your health care provider may be able to diagnose you with GERD based on this alone. […] Additional testing — Your provider might recommend additional evaluation and testing if you: […] Upper endoscopy — An upper endoscopy is a test that allows a doctor to directly examine the upper gastrointestinal (GI) tract. […] Prolonged (24 to 96 hours) esophageal pH study — An esophageal pH study is the most direct way to measure the severity of acid reflux. […] Esophageal manometry — Esophageal manometry involves having a tube placed through your nose into your esophagus that measures the pressure from the muscle contractions (esophageal peristalsis).

• #4

  https://journals.lww.com/ajg/fulltext/2013/03000/guidelines_for_the_diagnosis_and_management_of.6.aspx

  Empiric PPI therapy (a PPI trial) is a reasonable approach to confirm GERD when it is suspected in patients with typical symptoms. […] A response to therapy would ideally confirm the diagnosis; however, a well done meta-analysis suggested some limitations of this approach with a sensitivity of 78% and specificity of 54%. […] Therefore, empiric therapy (or a so called PPI trial) has some limitations. […] The endoscope has long been the primary tool used to evaluate the esophageal mucosa in patients with symptoms suspected due to GERD. […] Findings of GERD include erosive esophagitis, strictures, and a columnar lined esophagus ultimately confirmed to be Barrett’s esophagus. […] As such, endoscopy has excellent specificity for the diagnosis of GERD especially when erosive esophagitis is seen and the LA classification is used.

• #4 Diagnosis and treatment of gastroesophageal reflux disease

  https://pmc.ncbi.nlm.nih.gov/articles/PMC4133436/

  Ambulatory reflux monitoring is the only modality allowing direct measurement of esophageal acid exposure, reflux episode frequency and association between symptoms and reflux episodes. […] Upper endoscopy is the primary modality used in the evaluation of the esophageal mucosa in patients with GERD and also allows for biopsies of concerning lesions (e.g., Barretts metaplasia, strictures or masses). […] An upper endoscopy should be performed next and may reveal an abnormality such as persistent erosive esophagitis, eosinophilic esophagitis, or Barretts esophagus in roughly 10% of patients in whom empiric PPI therapy fails. […] Surgical therapy is another treatment option for long-term therapy in patients with GERD and has become more appealing since the introduction of laparoscopic anti-reflux surgery. […] Proper patient selection is critical to obtain the best possible surgical outcomes and it is imperative that there be objective documentation of GERD.

• #4 Gastroesophageal Reflux Disease (GERD): Diagnosis & Treatment | NewYork-Presbyterian

  https://www.nyp.org/digestive/esophageal-diseases/gastroesophageal-reflux-disease-gerd/treatment

  How is GERD Diagnosed? Diagnosis The first step toward treating your GERD effectively is confirming what is causing your symptoms. Your doctor may initially diagnose GERD by assessing your symptoms and seeing how well you respond to acid-reducing medications. Testing for GERD diagnosis may include: Esophagogastroduodenoscopy (also called EGD or upper endoscopy). A gastroenterologist inserts a flexible camera (an endoscope) through your mouth to look at your esophagus, stomach and small bowel for any abnormalities and possibly take tissue samples of any abnormal tissue (such as Barretts esophagus). […] Wireless pH capsule (Bravo). During an endoscopy, a tiny capsule is attached to the inside of the esophagus. You will carry a recording device that keeps track of how much acid reflux occurs over a 4 day period. You will also keep a diary of any symptoms, and your physician will determine if they are related to acid reflux. The capsule detaches on its own and is passed in the stool. The information obtained is interpreted later by a gastroenterologist trained in esophageal diseases.

• #4 Diagnosis and treatment of gastroesophageal reflux disease: recommendations of the Asociación Mexicana de Gastroenterología | Revista de Gastroenterología de México

  http://www.revistagastroenterologiamexico.org/en-diagnosis-treatment-gastroesophageal-reflux-disease-articulo-resumen-S2255534X16300482

  A PPI trial can be utilized to diagnose GERD in patients that have typical symptoms with no red flags. […] Endoscopy should not be routinely used as a screening study for GERD due to its poor diagnostic sensitivity. […] The ambulatory 24 to 48h measuring of esophageal pH (pH study) is indicated in patients with typical or extra-esophageal symptoms of GERD and negative endoscopy that do not respond to PPI therapy, and to confirm the presence of pathologic reflux in patients that are candidates for anti-reflux surgery with no evidence of esophageal mucosal lesions at endoscopy. […] The wireless system (Bravo capsule) of esophageal pH measurement, compared with pH equipment with probes, is better tolerated by the patient and has greater sensitivity for detecting acid reflux and establishing the association of symptoms with reflux episodes.

• #4

  https://www.scielo.br/j/abcd/a/ypHKhPWMST8F97KFQFpqQBv/

  If the patients present these symptoms at least twice a week in a period of four to eight weeks or more, GERD diagnosis must be considered. […] The diagnosis of severe lower esophageal sphincter hypotonia (lower than 10 mm Hg) indicates clinical maintenance treatment or even surgical fundoplication. […] The goal of the clinical treatment is to relieve the symptoms and surgical treatment is indicated for patients who require continued drug use, with intolerance to prolonged clinical treatment and with GERD complications. […] Surgical treatment is indicated for patients who require continued drug use, intolerant to prolonged clinical treatment and with complicated forms of GERD.

• #4 Diagnosis and management of extraesophageal gastroesophageal reflux disease (GERD) – American Gastroenterological AssociationAGA Logo_Horizontal

  https://gastro.org/clinical-guidance/diagnosis-and-management-of-extraesophageal-gastroesophageal-reflux-disease-gerd/

  10. Shared decision-making should be performed before referral for anti-reflux surgery for EER when the patient has clear, objectively defined evidence of GERD. However, a lack of response to PPI therapy predicts lack of response to anti-reflux surgery and should be incorporated into the decision process.

• #4 Advances in the physiological assessment and diagnosis of GERD | Nature Reviews Gastroenterology & Hepatology

  https://www.nature.com/articles/nrgastro.2017.130

  In the absence of prior evidence of reflux (unproven GERD; with no prior LA classification grade C or D oesophagitis, peptic stricture or Barrett mucosa on endoscopy, or no prior positive ambulatory reflux study), or before antireflux surgery (ARS; for example, Nissen or Toupet fundoplication), testing is performed off anti-secretory therapy for 7-10 days. […] When irrefutable evidence of GERD exists (proven GERD; EGD evidence of LA classification grade C or D oesophagitis, peptic stricture, long-segment Barrett mucosa or prior abnormal ambulatory reflux monitoring), testing can be performed on anti-secretory therapy, in which the objective is to determine if ongoing symptoms can be explained by abnormal oesophageal reflux burden or linked to reflux episodes. […] The concepts of unproven GERD and proven GERD, deliberated extensively and defined here precisely during this consensus process, determine how reflux monitoring is performed.

• #4 Diagnosis and Management of Refractory Gastroesophageal Reflux Disease – Gastroenterology & Hepatology

  https://www.gastroenterologyandhepatology.net/archives/july-2021/diagnosis-and-management-of-refractory-gastroesophageal-reflux-disease/

  In patients with proven GERD (supported by objective evidence), the presence of symptoms refractory to appropriate PPI administration is termed refractory GERD symptoms, with unclear associations with ongoing reflux. […] As recommended in the recent consensus statement from major motility societies, patients with refractory typical or atypical symptoms despite PPI therapy in the setting of proven GERD warrant further diagnostic assessment to distinguish whether the symptoms stem from ongoing (inadequately controlled) GERD or from overlap with non-GERD and/or nonesophageal processes. […] In this setting, the patient should undergo high-quality EGD (if not recently performed). Alternate mucosal etiologies for symptoms, such as eosinophilic esophagitis, lymphocytic esophagitis, infectious esophagitis, pill esophagitis, skin disorders involving the esophagus, and malignancy, should be carefully excluded.

• #4

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  A single unifying definition of GERD is difficult. In preparing this guideline, we have blended the multiple definitions in the literature to create the following: GERD is the condition in which the reflux of gastric contents into the esophagus results in symptoms and/or complications. GERD is objectively defined by the presence of characteristic mucosal injury seen at endoscopy and/or abnormal esophageal acid exposure demonstrated on a reflux monitoring study. […] There is no gold standard for the diagnosis of GERD. Thus, the diagnosis is based on a combination of symptom presentation, endoscopic evaluation of esophageal mucosa, reflux monitoring, and response to therapeutic intervention. […] Most consensus statements and guidelines advocate a trial of therapy with a PPI as a diagnostic test in patients with the typical symptoms of heartburn and regurgitation, with the underlying assumption that a PPI response establishes the diagnosis of GERD.

• #4 Gastroesophageal Reflux Disease (GERD): Causes, Symptoms, Diagnosis, and Treatment

  https://www.houstonent.com/blog/gastroesophageal-reflux-disease-gerd-causes-symptoms-diagnosis-and-treatment

  Ambulatory acid probe tests: The tests measure the pH levels in the esophagus. Your provider inserts a thin tube (catheter) or pH probe into your esophagus. […] Esophageal manometry: Manometry tests determine how efficiently the esophageal muscles move food from the esophagus to the stomach. […] If you experience heartburn more than twice a week, it could be GERD. […] The primary goal of GERD treatments is to prevent or reduce acid reflux and lessen the damage the acid causes to the esophagus lining. […] Your doctor may prescribe over-the-counter antacids or other prescription medicines to treat GERD. […] In severe cases, surgery might be recommended. […] If left untreated, chronic inflammation can lead to esophageal ulcers or esophagitis. […] The reflux of stomach acid can damage the lower esophagus causing the formation of scar tissues.

• #5 Diagnosis and treatment of gastroesophageal reflux disease

  https://pmc.ncbi.nlm.nih.gov/articles/PMC4133436/

  Gastroesophageal reflux disease (GERD) is a common disease with a prevalence as high as 10%-20% in the western world. […] In certain situations, further diagnostic testing is needed to confirm the diagnosis as well as to assess for complications or alternate causes for the symptoms. […] The diagnosis of GERD is typically made by a combination of clinical symptoms, response to acid suppression, as well as objective testing with upper endoscopy and esophageal pH monitoring. […] Additional testing may be necessary, however, for those who do not respond to acid suppression, those who have alarm symptoms (e.g., dysphagia, odynophagia, iron deficiency anemia, weight loss, etc.) and those who have suffered from the disease for an extended period of time due to concern for Barretts esophagus.

• #5 GERD Diagnosis: Information and Testing | Banner Health

  https://www.bannerhealth.com/services/gastroenterology/treatment/gerd/diagnosis

  If you regularly have acid reflux, it is important to consult a health care provider to check if you have gastroesophageal reflux disease (GERD). Your provider can tell you if your symptoms are from GERD or another problem, then recommend a treatment plan thats right for you. […] If your provider thinks you might have GERD, they may suggest one or more of these tests to be sure about the diagnosis and also to check how severe it is. With that information, they can recommend a treatment plan that will work for you. […] Diagnostic tests may include: […] Endoscopy: In this test, your provider starts by giving you a sedation (calming) medicine so you are comfortable and dont feel anything during the procedure. They will then pass a flexible, narrow tube with a very small camera (an endoscope) through your mouth and into your esophagus (the tube-like part of your digestive system that connects your throat to your stomach) and stomach. Endoscopy may spot inflammation, irritation or damage. A small sample of any inflamed tissue may be taken (biopsied) to check for other conditions, like acid reflux and Barretts esophagus.

• #5 Diagnosing Gastroesophageal Reflux Disease | NYU Langone Health

  https://nyulangone.org/conditions/gastroesophageal-reflux-disease/diagnosis

  Gastroesophageal reflux disease, or GERD, is a chronic condition in which acid in the stomach and sometimes nonacidic content flows into the esophagus, the tube that carries food from the mouth to the stomach. NYU Langone doctors are highly experienced in diagnosing and treating GERD. […] GERD may also be caused by a hiatal hernia, a condition in which the upper portion of the stomach bulges into the chest cavity through an opening in the diaphragm. […] NYU Langone gastroenterologists use the newest and most effective diagnostic tools to determine the cause and severity of GERD. Our gastroenterologists can sometimes diagnose GERD based on your symptoms alone, but they also often perform one or more of the following diagnostic tests. […] These tests also allow your doctor to take a close look at the lining of the esophagus for signs of damage that may indicate esophagitis or Barretts esophagus.

• #5 Gastroesophageal Reflux Disease (GERD): Diagnosis & Treatment | NewYork-Presbyterian

  https://www.nyp.org/digestive/esophageal-diseases/gastroesophageal-reflux-disease-gerd/treatment

  Esophageal pH Impedance: A thin tube is placed through your nose into your esophagus to measure the amount of fluid coming into your esophagus from the stomach (reflux) over a 24-hour time period. It also measures if your symptoms occur at the same time as your reflux episodes. […] High-resolution esophageal manometry with or without impedance testing measures the pressure, strength, and coordination of the muscles in your esophagus and esophageal sphincter. A very thin tube is passed through your nose and down into your stomach. Esophageal muscle function is measured while you swallow sips of liquid. […] Esophagram: in this test, you are given liquid barium and x-rays are taken to evaluate your swallow as well as your entire esophagus as it empties into your stomach. A tablet may also be given and x-rays taken to assess if it passes.

• #5

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  A well-performed but older systematic review found a variable sensitivity of heartburn and regurgitation for erosive esophagitis (EE) (30%76%), with the specificity ranging from 62 to 96%. […] Diagnoses of GERD by extraesophageal symptoms alone or by their response to PPIs are unreliable because of poor sensitivity and specificity for GERD and not recommended. […] Barium radiographs should not be used solely as a diagnostic test for GERD. The presence of reflux on a barium esophagram or upper GI series has poor sensitivity and specificity for GERD when compared with pH testing. […] Upper endoscopy is the most widely used objective test for evaluating the esophageal mucosa. […] The endoscopic findings of EE and Barrett’s esophagus are specific for the diagnosis of GERD. […] The finding of any Barrett’s esophagus segment 3 cm with intestinal metaplasia on biopsy is diagnostic of GERD and obviates the need for pH testing merely to confirm that diagnosis.

• #6 GERD: A practical approach | Cleveland Clinic Journal of Medicine

  https://www.ccjm.org/content/87/4/223

  Gastroesophageal reflux disease (GERD) is mainly a clinical diagnosis based on typical symptoms of heartburn and acid regurgitation. Current guidelines indicate that patients with typical symptoms should first try a proton pump inhibitor (PPI). If reflux symptoms persist after 8 weeks on a PPI, endoscopy of the esophagus is recommended, with biopsies taken to rule out eosinophilic esophagitis. […] The diagnosis of GERD is mainly symptom-based and often does not require endoscopic confirmation. […] Endoscopy is warranted in patients with red-flag symptoms such as dysphagia, anemia, weight loss, bleeding, and recurrent vomiting. […] Current guidelines indicate that patients with typical symptoms should first be given a trial of PPI treatment. However, patients with alarm symptoms including dysphagia, anemia, weight loss, bleeding, and recurrent vomiting should proceed directly to upper endoscopy.

• #6 Diagnosing Gastroesophageal Reflux Disease | NYU Langone Health

  https://nyulangone.org/conditions/gastroesophageal-reflux-disease/diagnosis

  An upper endoscopy is also used to confirm the presence of a hiatal hernia. […] During an impedance-pH test, your gastroenterologist measures the pH, or acidity, levels in your esophagus during a 24-hour period. […] The Bravo pH monitoring system allows your doctor to measure the pH, or acidity, levels in your esophagus for 48 to 96 hours. […] Using the results of diagnostic tests, NYU Langone doctors determine the best course of treatment, with the goal of reducing reflux, alleviating discomfort, healing irritation of the esophagus, and preventing progression to a more serious condition, such as Barretts esophagus.

• #6 GERD Diagnosis | Stanford Health Care

  https://stanfordhealthcare.org/medical-conditions/digestion-and-metabolic-health/gastroesophageal-reflux-disease-gerd/diagnosis.html

  Gastroesophageal reflux disease (GERD) Diagnosis […] The first step to diagnosing GERD is a thorough physical exam and complete medical history. During the visit, it is important to tell your doctor how often you have heartburn symptoms. […] Our specialists offer advanced testing methods to help accurately diagnose GERD and measure the level of damage to your esophagus. These include: […] Esophageal pH studies measure acid reflux levels in the esophagus for 24 hours, using a tube with an acid (pH) sensor at the tip. Similarly, the Bravo Wireless pH Monitoring Capsule measures acid levels for up to 96 hours. A combined 24-hour pH/impedance allows dual monitoring of both acid and non-acid reflux. […] Barium swallow (esophagram), also called an upper GI series, is an X-ray of the digestive tract using a special dye (barium) to show narrowing (stricture) and other abnormalities.

• #7 Gastroesophageal reflux disease (GERD) – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/gerd/diagnosis-treatment/drc-20361959

  During an upper endoscopy, a healthcare professional inserts a thin, flexible tube equipped with a light and camera down the throat and into the esophagus. A healthcare professional might be able to diagnose GERD based on a history of symptoms and a physical examination. To confirm a diagnosis of GERD, or to check for complications, a care professional might recommend: […] An upper endoscopy uses a tiny camera on the end of a flexible tube to visually examine the upper digestive system. The camera helps provide a view of the inside of the esophagus and stomach. Test results may not show when reflux is present, but an endoscopy may find inflammation of the esophagus or other complications. […] A monitor is placed in the esophagus to identify when, and for how long, stomach acid regurgitates there.

• #7

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  Gastroesophageal reflux disease (GERD) continues to be among the most common diseases seen by gastroenterologists, surgeons, and primary care physicians. Our understanding of the varied presentations of GERD, enhancements in diagnostic testing, and approach to patient management have evolved. […] The below recommendations for the diagnosis of GERD are also illustrated in Figure 1. […] For patients with classic GERD symptoms of heartburn and regurgitation who have no alarm symptoms, we recommend an 8-week trial of empiric PPIs once daily before a meal (strong recommendation, moderate level of evidence). […] We recommend diagnostic endoscopy, ideally after PPIs are stopped for 24 weeks, in patients whose classic GERD symptoms do not respond adequately to an 8-week empiric trial of PPIs or whose symptoms return when PPIs are discontinued (strong recommendation, low level of evidence).

• #7 GERD Diagnosis | Stanford Health Care

  https://stanfordhealthcare.org/medical-conditions/digestion-and-metabolic-health/gastroesophageal-reflux-disease-gerd/diagnosis.html

  Esophageal manometry testing measures movement and pressure in the esophagus with a small tube through your nose. […] Impedance test measures how liquid moves from your stomach to your esophagus and can be combined with either a pH study or manometry. […] Proton pump inhibitor (PPI) trial therapy is a brief period of medication to control stomach acid production. If you feel better after being on PPI, you probably have GERD. […] Upper endoscopy uses a long, thin tube (endoscope) with a tiny camera to examine the linings of the esophagus and stomach. We may also take tissue samples during the test to examine under a microscope.

• #8

  https://journals.lww.com/ajg/fulltext/2022/01000/acg_clinical_guideline_for_the_diagnosis_and.14.aspx

  We do not recommend the use of a barium swallow solely as a diagnostic test for GERD (conditional recommendation, low level of evidence). […] We recommend endoscopy as the first test for evaluation of patients presenting with dysphagia or other alarm symptoms (weight loss and GI bleeding) and for patients with multiple risk factors for Barrett’s esophagus (strong recommendation, low level of evidence). […] In patients for whom the diagnosis of GERD is suspected but not clear, and endoscopy shows no objective evidence of GERD, we recommend reflux monitoring be performed off therapy to establish the diagnosis (strong recommendation, low level of evidence). […] We recommend against performing reflux monitoring off therapy solely as a diagnostic test for GERD in patients known to have endoscopic evidence of Los Angeles (LA) grade C or D reflux esophagitis or in patients with long-segment Barrett’s esophagus (strong recommendation, low level of evidence).

• #9 GERD: A practical approach | Cleveland Clinic Journal of Medicine

  https://www.ccjm.org/content/87/4/223

  Gastroesophageal reflux disease (GERD) is mainly a clinical diagnosis based on typical symptoms of heartburn and acid regurgitation. Current guidelines indicate that patients with typical symptoms should first try a proton pump inhibitor (PPI). If reflux symptoms persist after 8 weeks on a PPI, endoscopy of the esophagus is recommended, with biopsies taken to rule out eosinophilic esophagitis. […] The diagnosis of GERD is mainly symptom-based and often does not require endoscopic confirmation. […] Endoscopy is warranted in patients with red-flag symptoms such as dysphagia, anemia, weight loss, bleeding, and recurrent vomiting. […] Current guidelines indicate that patients with typical symptoms should first be given a trial of PPI treatment. However, patients with alarm symptoms including dysphagia, anemia, weight loss, bleeding, and recurrent vomiting should proceed directly to upper endoscopy.

• #10 GERD: A practical approach | Cleveland Clinic Journal of Medicine

  https://www.ccjm.org/content/87/4/223

  Endoscopy should be performed in any patient with the alarm symptoms described above, and also in patients whose symptoms do not respond to a PPI. […] Esophageal pH monitoring is indicated in patients with persistent symptoms and normal findings on endoscopy before surgical or endoscopic interventions are considered. […] Barium esophagography is not indicated in the workup of reflux disease as it has poor sensitivity and specificity for GERD.

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