Materiały źródłowe

• #1 ARDS – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/ards/diagnosis-treatment/drc-20355581

  There’s no specific test for ARDS. Healthcare professionals base the diagnosis on physical exams, chest X-rays and oxygen levels. It’s also important to rule out other diseases and conditions, such as certain heart problems that can lead to similar symptoms. […] A chest X-ray can show which parts of your lungs, and how much of the lungs, have fluid in them and whether your heart has gotten bigger. Another test called a CT scan combines X-ray images taken from many directions and creates cross-sectional views of internal organs. CT scans can give detailed information about the structures within the heart and lungs. […] A test using blood from an artery can measure your oxygen level. Other types of blood tests can check for symptoms of infection or other medical conditions. If your healthcare professional thinks that you have a lung infection, secretions from your airway may be tested to find the cause of the infection.

• #1 Acute respiratory distress syndrome – Wikipedia

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

  Acute respiratory distress syndrome (ARDS) is a type of respiratory failure characterized by rapid onset of widespread inflammation in the lungs. […] Adult diagnosis is based on a PaO2/FiO2 ratio (ratio of partial pressure arterial oxygen and fraction of inspired oxygen) of less than 300 mm Hg despite a positive end-expiratory pressure (PEEP) of more than 5 cm H2O. […] Diagnostic criteria for ARDS have changed over time as understanding of the pathophysiology has evolved. The international consensus criteria for ARDS were most recently updated in 2012 and are known as the „Berlin definition”. […] According to the 2012 Berlin definition, adult ARDS is characterized by the following: lung injury of acute onset, within 1 week of an apparent clinical insult and with the progression of respiratory symptoms; bilateral opacities on chest imaging (chest radiograph or CT) not explained by other lung pathology; respiratory failure not explained by heart failure or volume overload; decreased PaO2/FiO2 ratio. […] Radiologic imaging has long been a criterion for diagnosis of ARDS. Original definitions of ARDS specified that correlative chest X-ray findings were required for diagnosis, the diagnostic criteria have been expanded over time to accept CT and ultrasound findings as equally contributory.

• #1 Acute respiratory distress syndrome (ARDS) – Symptoms, diagnosis and treatment | BMJ Best Practice US

  https://bestpractice.bmj.com/topics/en-us/374

  Acute respiratory distress syndrome (ARDS) typically presents with dyspnea and hypoxemia, which progress to acute respiratory failure. […] Diagnosis of ARDS is based on fulfilling three criteria: Acute onset (within 1 week), Bilateral opacities on chest radiography or computed tomography (CT), or bilateral B lines and/or consolidations on ultrasound not fully explained by effusions, atelectasis, or nodules/masses, PaO/FiO (arterial to inspired oxygen) ratio of 300 or SpO2/FiO2 (pulse oximetric saturation to inspired oxygen) ratio of 315. […] If no risk factors for ARDS are present, then acute pulmonary edema as a result of heart failure should be ruled out. […] Key diagnostic factors include low oxygen saturation and acute respiratory failure. […] Diagnostic tests include chest x-ray, arterial blood gases, sputum culture, blood culture, urine culture, amylase and lipase.

• #1 Acute Respiratory Distress Syndrome – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK436002/

  Acute respiratory distress syndrome (ARDS) is a life-threatening condition characterized by poor oxygenation and non-compliant or „stiff” lungs. The disorder is associated with capillary endothelial injury and diffuse alveolar damage. Once ARDS develops, patients usually have varying degrees of pulmonary artery vasoconstriction and may develop pulmonary hypertension. ARDS carries a high mortality, and few effective therapeutic modalities exist to alleviate this deadly condition. This activity reviews the clinical presentation, evaluation, and management of acute respiratory distress syndrome and highlights the importance of coordinated interprofessional teamwork in caring for patients with this condition. […] The diagnosis of ARDS is based on the following criteria: acute onset, bilateral lung infiltrates on chest radiography or CT scan (who are of non-cardiac origin), and a PaO2/FiO2 ratio of less than 300 mm Hg. It is further sub-classified into mild (PaO2/FiO2 200 mm Hg, but 300 mm Hg), moderate (PaO2/FiO2 100 mm Hg, but 200 mm Hg), and severe (PaO2/FiO2 100 mm Hg) subtypes. Mortality and ventilator-free days increase with severity.

• #1 Acute Respiratory Distress Syndrome (ARDS) | Doctor

  https://patient.info/doctor/acute-adult-respiratory-distress-syndrome

  Presence of hypoxaemia, as defined by a specific threshold of the PaO2/FiO2 ratio measured with a minimum requirement of positive end-expiratory pressure (PEEP) 5 cm H2O. […] Three categories of severity are identified: […] Mild (200 millimetres of mercury (mm Hg) PaO2/FiO2 300 mm Hg). […] Moderate (100 mm Hg PaO2/FiO2 200 mm Hg). […] Severe (PaO2/FiO2 100 mm Hg). […] The Faculty of Intensive Care Medicine and Intensive Care Society Guideline Development Group developed guidelines for the management of patients with acute respiratory distress syndrome (ARDS) that are supported by the British Thoracic Society. […] They suggest that where mechanical ventilation is required, low tidal volumes (6 ml/kg ideal body weight) and airway pressures (plateau pressure 30 cmH2O) are used.

• #1 Post-pandemic acute respiratory distress syndrome: A New Global Definition with extension to lower-resource regions | Medicina Intensiva

  https://www.medintensiva.org/en-post-pandemic-acute-respiratory-distress-syndrome-articulo-S2173572724000250

  Acute respiratory distress syndrome (ARDS), first described in 1967, is characterized by acute respiratory failure causing profound hypoxemia, decreased pulmonary compliance, and bilateral CXR infiltrates. […] In 2021, a New Global Definition based on the Berlin definition of ARDS was proposed, which included a category for non-intubated patients, considered the use of SpO2, and established no particular requirement for oxygenation support in regions with limited resources. […] Another crucial aspect is the lack of gold standard for defining ARDS. Even DAD is not pathognomonic since it might not be identified in all clinically diagnosed ARDS cases. […] The original definition of ARDS dates to 1967 and was issued by Petty and Ashbaugh, who described a group of 12 patients with acute respiratory failure, profound hypoxemia secondary mainly to intrapulmonary shunt, bilateral infiltrates on CXR and decreased thoraco-pulmonary compliance, with no history of chronic respiratory failure, and in absence of left ventricular failure.

• #1

  https://link.springer.com/article/10.1007/s44231-025-00079-w

  For suspected ARDS patients, the guideline expert group suggests using lung ultrasound in the following situations: (1) lung ultrasound can be considered as a screening tool before X-ray and CT, but the potential high false positive and false negative rates should be noted; (2) use lung ultrasound when X-ray and CT are not available, or the patients condition does not allow (mainly including critically ill patients who cannot be transported or have high transportation risk) for X-ray or CT examination; (3) lung ultrasound can be considered as one of the daily disease assessment tools for suspected ARDS patients. (Conditional recommendation, extremely low quality of evidence).

• #1 Acute Respiratory Distress Syndrome (ARDS)

  https://my.clevelandclinic.org/health/diseases/15283-acute-respiratory-distress-syndrome-ards

  Acute respiratory distress syndrome (ARDS) is a lung injury that happens when fluids build up in small air sacs (alveoli) in your lungs. ARDS prevents your lungs from filling up with air and causes dangerously low oxygen levels in your blood (hypoxia). Healthcare providers typically diagnose a person as having mild, moderate or severe respiratory distress syndrome. They determine that level by comparing the level of oxygen in your blood with the amount of oxygen that needs to be given to achieve a healthy blood oxygen level. […] Healthcare providers diagnose ARDS based on a physical exam and the results of several tests. Since the symptoms of ARDS are similar to chronic lung or heart conditions, your provider may need to rule out other causes. […] A healthcare provider may order a combination of tests, including: Chest X-ray to measure fluid in your lungs. A blood test to measure oxygen levels in your blood and determine the severity of ARDS. Echocardiogram (ultrasound of your heart) to evaluate heart function. Electrocardiogram (or EKG) to measure your hearts electrical activity. A fingertip sensor (pulse oximetry) for constant monitoring of oxygen levels. A computed tomography (CT) scan to provide more detailed information about your lungs. Sampling of secretions from your airways to find the cause of an infection.

• #1 Acute Respiratory Distress Syndrome – Diagnosis | NHLBI, NIH

  https://www.nhlbi.nih.gov/health/ards/diagnosis

  Your doctor will diagnose acute respiratory distress syndrome (ARDS) based on your medical history, a physical exam, and test results. ARDS can be difficult to diagnose and is often mistaken for another condition, so it is important to know your symptoms. […] To help diagnose ARDS, your doctor may ask you about any medical conditions or recent events that could be considered risk factors. […] Your doctor will also ask about your symptoms and whether you have a heart problem, such as heart failure, or another condition that can cause symptoms similar to those for ARDS. […] Your doctor will examine you for signs of ARDS. […] To diagnose ARDS, your doctor may have you undergo some of the following tests and procedures. […] Blood tests measure the oxygen level in your blood, using a sample of blood taken from an artery. A low blood oxygen level might be a sign of ARDS.

• #1 ARDS – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/ards/diagnosis-treatment/drc-20355581

  Because the symptoms of ARDS are like those of certain heart problems, your healthcare professional may recommend heart tests such as: Electrocardiogram. This painless test, which also is known as an ECG, tracks the electrical activity in your heart. During the test, a healthcare professional attaches several wired sensors to your body. […] Echocardiogram. This test uses sound waves to create pictures of the heart. It shows how blood moves through the heart chambers and heart valves, and whether there are changes in the structures of your heart.

• #1 Acute Respiratory Distress Syndrome (ARDS) Workup: Approach Considerations, Laboratory Tests, Radiography

  https://emedicine.medscape.com/article/165139-workup

  To exclude cardiogenic pulmonary edema, it may be helpful to obtain a plasma B-type natriuretic peptide (BNP) value and echocardiogram. A BNP level of less than 100 pg/mL in a patient with bilateral infiltrates and hypoxemia favors the diagnosis of ARDS rather than cardiogenic pulmonary edema. […] As part of the workup, patients with ARDS should undergo two-dimensional echocardiography for the purpose of screening. […] Because avoiding fluid-overload may be beneficial in the management of ARDS, the use of a central venous catheter or pulmonary artery catheter may facilitate appropriate fluid management in these patients in whom judging intravascular volume status on clinical grounds may be difficult or impossible. […] Bronchoscopy may be considered to evaluate the possibility of infection, alveolar hemorrhage, or acute eosinophilic pneumonia in patients acutely ill with bilateral pulmonary infiltrates. […] The histologic changes in ARDS are those of diffuse alveolar damage. An exudative phase occurs in the first several days and is characterized by interstitial edema, alveolar hemorrhage and edema, alveolar collapse, pulmonary capillary congestion, and hyaline membrane formation.

• #1 ARDS Diagnosis Criteria | Do You Have ARDS?

  https://www.nationaljewish.org/conditions/ards/diagnosis

  A variety of diagnostic tests are used to help diagnose ARDS. These tests determine how well the lungs are functioning, rule out other conditions with similar signs and symptoms, and identify the source of the infection. Tests for acute respiratory distress syndrome can include imaging, blood tests, analyzing sputum (the mixture of saliva and mucous that is coughed up) identify possible sources of acute respiratory distress syndrome. […] Chest X-rays show images of organs, tissues and bones in the chest area. It can show abnormalities including fluid or pneumonia in both lungs. Sometimes a patient with ARDS will be mistaken for having heart failure. […] Blood cultures examine blood samples for infection caused by bacteria, yeasts, fungi and viruses. These tests identify the infection in the blood and help the doctor determine what is causing ARDS.

• #1 Acute Respiratory Distress Syndrome – Diagnosis | NHLBI, NIH

  https://www.nhlbi.nih.gov/health/ards/diagnosis

  Lung imaging tests, such as a chest X-ray or computerized tomography (CT) scan, create detailed images of your lungs. […] Other tests, such as the following, can help find the cause of your ARDS or determine whether there is another type of problem: […] Bronchoscopy can diagnose a lung problem when there is no clear cause of your ARDS.

• #1 Advances in Biomarkers for Diagnosis and Treatment of ARDS

  https://www.mdpi.com/2075-4418/13/21/3296

  Acute respiratory distress syndrome (ARDS) is a common and fatal disease, characterized by lung inflammation, edema, poor oxygenation, and the need for mechanical ventilation, or even extracorporeal membrane oxygenation if the patient is unresponsive to routine treatment. […] The use of biomarkers is pivotal in diagnosing, predicting the course, and treating ARDS. They can be used to distinguish between different types of conditions, evaluate their severity, and track the effectiveness of treatment. […] The classification of the biomarkers related to ARDS is presented in Figure 1. […] Although many biomarkers connected to ARDS have been uncovered, there is still a notable gap between pinpointing them and their clinical application. […] The heterogeneity of ARDS, caused by different etiologies and the production of a variety of clinical phenotypes, is a challenge and makes it hard to identify a biomarker or set of biomarkers that can be used as a universal diagnostic, prognostic, or therapeutic tool.

• #1 Biomarkers for the acute respiratory distress syndrome: how to make the diagnosis more precise

  https://atm.amegroups.org/article/view/15708/html

  The absence of a validated biomarker to define, diagnose, monitor responsiveness to therapy or predict prognosis of ARDS has limited progress in the field. […] Many candidate biomarkers have been investigated, but at the time of writing this review, a single, clear biomarker that is specific for ARDS has proven difficult to find. […] It is plausible that the best prediction approach will likely combine clinical predictors with several biomarkers.

• #1 Breath metabolomics for diagnosis of acute respiratory distress syndrome | Critical Care | Full Text

  https://ccforum.biomedcentral.com/articles/10.1186/s13054-024-04882-7

  Acute respiratory distress syndrome (ARDS) poses challenges in early identification. Exhaled breath contains metabolites reflective of pulmonary inflammation. To evaluate the diagnostic accuracy of breath metabolites for ARDS in invasively ventilated intensive care unit (ICU) patients. The Berlin definition of ARDS was assessed by three experts to categorize all patients into certain ARDS, certain no ARDS and uncertain ARDS groups. The metabolites 1-methylpyrrole, 1,3,5-trifluorobenzene, methoxyacetic acid, 2-methylfuran and 2-methyl-1-propanol were included in the classifier. The classifier had an area under the receiver operating characteristics curve (AUROCC) of 0.71 (CI 0.630.78) in the derivation cohort and 0.63 (CI 0.520.74) in the validation cohort. An exhaled breath metabolomics-based classifier has moderate diagnostic accuracy for ARDS but was not sufficiently accurate for clinical use, even after combination with a clinical prediction score. Diagnosis of ARDS is based on timing, severity of hypoxemia, and presence of bilateral pulmonary infiltrates, that is not fully explained by cardiac dysfunction or fluid overload. Biological markers can provide objective evidence for the pathophysiological processes of various diseases and may shed light into the injurious processes leading to alveolar injury. Biomarkers of alveolar injury have shown reasonable diagnostic accuracy for ARDS. However, these biomarkers are typically measured in plasma while the pathological processes of ARDS mainly occurs locally in the lung. In a recent systematic review, a panel of VOC metabolites was identified as a promising method for ARDS diagnosis, showing high diagnostic accuracy and low bias. The results of this study demonstrate that the exhaled breath patterns differ between patients with and without ARDS, but that the diagnostic accuracy of a model that captures these differences is insufficient for use in clinical practice. The sufficient to good diagnostic accuracy observed in this study is lower than the accuracy of some other non-invasive diagnostic tests, such as plasma biomarkers and lung ultrasound. The presented data imply that exhaled breath metabolomics is unsuitable as a stand-alone diagnostic test for ARDS. To conclude, an exhaled breath metabolomics-based classifier has a sufficient diagnostic accuracy for ARDS but is not good enough for use in clinical practice.

• #1 A new method for identifying the acute respiratory distress syndrome disease based on noninvasive physiological parameters | PLOS One

  https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0226962

  A new method for identifying the acute respiratory distress syndrome disease based on noninvasive physiological parameters […] Early diagnosis and prevention play a crucial role in the treatment of patients with ARDS. The definition of ARDS requires an arterial blood gas to define the ratio of partial pressure of arterial oxygen to fraction of inspired oxygen (PaO2/FiO2 ratio). However, many patients with ARDS do not have a blood gas measured, which may result in under-diagnosis of the condition. Using data from MIMIC-III Database, we propose an algorithm based on patient non-invasive physiological parameters to estimate P/F levels to aid in the diagnosis of ARDS disease. The machine learning algorithm was combined with the filter feature selection method to study the correlation of various noninvasive parameters from patients to identify the ARDS disease. Cross-validation techniques are used to verify the performance of algorithms for different feature subsets. XGBoost using the optimal feature subset had the best performance of ARDS identification with the sensitivity of 84.03%, the specificity of 87.75% and the AUC of 0.9128. For the four machine learning algorithms, reducing a certain number of features, AUC can still above 0.8. Compared to Rice Linear Model, this method has the advantages of high reliability and continually monitoring the development of patients with ARDS.

• #1 A new method for identifying the acute respiratory distress syndrome disease based on noninvasive physiological parameters | PLOS One

  https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0226962

  Acute respiratory distress syndrome is a disease that seriously threatens the health of human lives. According to relevant epidemiological investigations, the in-hospital mortality rate of ARDS is as high as 40%. Currently, the diagnosis of ARDS disease is mainly based on the Berlin definition. The Berlin definition was introduced in 2012 and allowed a clear diagnosis of ARDS disease by stating that when positive end-expiratory pressure (PEEP) 5 cmH2O, ARDS can be classified into three stated with increasing severity, namely, mild (200 arterial oxygen partial pressure (PaO2)/ fraction of inspired oxygen (FiO2) (P/F) 300), moderate (100 P/F 200), and severe (P/F 100), according to the level of oxygenation index (P/F). At present, blood gas analysis is mainly used to measure PaO2 to calculate the P/F value to evaluate the severity of ARDS. However, this method is still limited by some defects. Firstly, the calculation of the P/F value requires blood gas analyses. In the clinical use of arterial indwelling catheters, daily care is difficult, and it is not easy to operate on some particular patients, such as newborns and elderly patients. Secondly, arterial blood gas analyses cannot monitor the development of patients with ARDS in real-time, which makes doctors unable to adopt appropriate respiratory therapy strategies and delay the diagnosis and treatment of patients.

• #1

  https://link.springer.com/article/10.1007/s00134-020-06035-0

  Clinical recognition of acute respiratory distress syndrome (ARDS) is delayed or missed entirely in a substantial proportion of patients. […] The diagnosis of ARDS was delayed or missed in two-thirds of patients, with the diagnosis missed entirely in 40% of patients, while ARDS recognition ranged from 51% in mild ARDS to 79% in severe cases. […] Failure to recognize ARDS in a timely fashion leads to failure to use strategies that improve survival in ARDS. […] Early diagnosis of ARDS may facilitate measures to abrogate progression of the lung injury, including protective mechanical ventilation, fluid restriction, and adjunctive measures proven to improve survival such as prone positioning. […] Information overload and a complex syndrome diagnosis likely play key roles in ARDS under-recognition. […] Clinical under-recognition has important consequences particularly in terms of therapeutic options not considered. […] The development of approaches to enable more timely recognition has the potential to save lives.

• #1 Early Identification and Diagnostic Approach in Acute Respiratory Distress Syndrome (ARDS)

  https://www.mdpi.com/2075-4418/11/12/2307

  Early identification of ARDS in patients breathing spontaneously may allow assessment of earlier initiation of pharmacological and non-pharmacological treatments. […] The precise underlying etiological diagnostic (bacterial, viral, fungal, immune, malignant, drug-induced, etc.) as well as the diagnostic approach have been understudied in the literature. […] To date, no clinical practice guidelines have recommended structured diagnostic work-up in ARDS patients. […] In addition to lung-protective ventilation with the aim of preventing worsening lung injury, specific treatment of the underlying cause has a central role to improve outcomes. […] The current definition of ARDS focuses mainly on intubated patients under invasive mechanical ventilation and does not determine whether these patients treated without positive pressure ventilation meet the criteria for ARDS.

• #1 Advances in acute respiratory distress syndrome: focusing on heterogeneity, pathophysiology, and therapeutic strategies | Signal Transduction and Targeted Therapy

  https://www.nature.com/articles/s41392-025-02127-9

  The accurate and evidenced-based Berlin definition achieved a better ability to predict mortality. […] However, the lack of standard criteria for diagnosing acute onset, the sensitivity of the oxygenation index to different ventilation settings, the reliability of chest radiography criteria, and the difficulty of distinguishing hydrostatic edema made it difficult for physicians to diagnose ARDS. […] The incidence of ARDS is age dependent, increasing from 16/100,000 person-years for individuals 15-19 years of age to 306/100,000 person-years for individuals 75-84 years of age. […] The incidence of ARDS among ICU patients was investigated in a large-scale study; 10% of ICU patients met the criteria for ARDS, and a quarter of all critically ill patients who required mechanical ventilation developed ARDS.

• #1 ARDS Diagnosis May Be Underrecognized, Good Treatment Options Exist < Yale School of Medicine

  https://medicine.yale.edu/news-article/ards-diagnosis-may-be-underrecognized-good-treatment-options-exist/

  Acute Respiratory Distress Syndrome (ARDS) has been defined in a variety of different ways, explained Moss. Importantly, it is a syndrome and that means that we define it based on clinical criteria. In 2012, the Berlin definition was created to streamline the diagnosis. […] How well do physicians do with identifying the disease? Moss cited a 2016 JAMA study which showed that ARDS is common in intensive care units (ICU) around the world, and almost 25% of patients on mechanical ventilation will meet criteria for ARDS. The disease is underrecognized by physicians and healthcare professionals. Of the patients with ARDS, only 60% had documentation in their chart that they actually had ARDS. […] We now have specific ways of treating ARDS, and if you are not recognizing ARDS, you arent treating people in the right way, said Moss.

• #1 What Are the Parameters Used to Diagnose ARDS?

  https://www.icliniq.com/articles/respiratory-health/ards-diagnosis-and-outcomes

  Acute respiratory distress syndrome (ARDS) is a critical lung condition that requires early diagnosis and medical attention before it becomes life-threatening. […] ARDS is a severe and life-threatening condition in critically ill patients, which results in poor oxygenation, acute onset, and pulmonary infiltrates. […] To diagnose ARDS, doctors measure the patient’s arterial oxygen levels (PaO2) in relation to the amount of oxygen in the air they are breathing (FiO2). The PaO2/FiO2 ratio in ARDS patients is less than 300. […] The outcome is usually better if ARDS is diagnosed early and treated promptly. […] Recovery from ARDS can be a slow and gradual process. […] ARDS is a serious medical emergency that can quickly become life-threatening. So it requires prompt diagnosis and treatment to improve outcomes.

• #1 Acute Respiratory Distress Syndrome: Diagnosis and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/2020/0615/p730.html

  Mild, moderate, and severe cases of ARDS are associated with hospital mortality rates of 27% to 35%, 32% to 40%, and 46% to 60%, respectively, and hospitals with higher ARDS case volume have lower ARDS mortality. […] In many cases, ARDS must be differentiated from congestive heart failure and pneumonia. […] Although patients with ARDS may have slightly elevated brain natriuretic peptide levels, they would not be expected to have these other findings. […] The American Thoracic Society and American College of Chest Physicians recommend a ventilator liberation protocol (also known as a weaning protocol) for patients who have been on mechanical ventilation for more than 24 hours. […] As the underlying illness resolves and the patient improves, spontaneous breathing trials are indicated; these protocols can reduce the duration of mechanical ventilation and weaning, and can shorten ICU stays.

• #1 Acute Respiratory Distress Syndrome: Diagnosis and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/2012/0215/p352.html

  Acute respiratory distress syndrome manifests as rapidly progressive dyspnea, tachypnea, and hypoxemia. Diagnostic criteria include acute onset, profound hypoxemia, bilateral pulmonary infiltrates, and the absence of left atrial hypertension. […] The American-European Consensus Conference (AECC) has published diagnostic criteria for ARDS: acute onset; ratio of partial pressure of arterial oxygen to fraction of inspired oxygen (PaO2/FiO2) of 200 or less, regardless of positive end-expiratory pressure; bilateral infiltrates seen on frontal chest radiograph; and pulmonary artery wedge pressure of 18 mm Hg or less when measured, or no clinical evidence of left atrial hypertension. […] Because pneumonia is a leading cause of ARDS, distinguishing patients with uncomplicated pneumonia from those who have pneumonia complicated by ARDS presents a greater diagnostic challenge. In general, a patient with uncomplicated pneumonia may have signs of systemic and pulmonary inflammation (i.e., fever, chills, fatigue, sputum production, pleuritic chest pain, and localized or multifocal infiltrates); accompanying hypoxia should respond to oxygen administration. If hypoxia does not correct with oxygen administration, ARDS should be suspected and confirmed based on AECC diagnostic criteria.

• #1 ARDS Symptoms and Diagnosis | American Lung Association

  https://www.lung.org/lung-health-diseases/lung-disease-lookup/ards/ards-symptoms-and-diagnoses

  When patients present with the above symptoms, doctors will do a chest X-ray to look for fluid in the lungs and a blood test to find out the severity of the oxygen starvation. […] ARDS has to be separated from heart failure and chronic lung disease. […] Doctors suspect ARDS if they can identify a lung injury.

• #1 Diagnosis of Acute Respiratory Distress Syndrome (ARDS): Key Considerations and Diagnostic Approach – DoveMed

  https://www.dovemed.com/health-topics/focused-health-topics/diagnosis-acute-respiratory-distress-syndrome-ards-key-considerations-and-diagnostic-approach

  The accurate and timely diagnosis of Acute Respiratory Distress Syndrome (ARDS) is crucial for initiating appropriate management and optimizing patient outcomes. […] The diagnosis of ARDS is based on consensus criteria, commonly referred to as the Berlin definition, which includes the following criteria: […] The diagnostic evaluation for ARDS involves a comprehensive approach to confirm the diagnosis, identify potential underlying causes, and assess disease severity. […] A systematic approach to the diagnosis of ARDS involves: […] The diagnosis of ARDS requires a systematic approach incorporating clinical assessment, chest imaging, laboratory tests, and hemodynamic evaluation. By adhering to diagnostic criteria and guidelines, healthcare providers can accurately identify ARDS, initiate timely interventions, and optimize patient care.

• #1 Advances in acute respiratory distress syndrome: focusing on heterogeneity, pathophysiology, and therapeutic strategies | Signal Transduction and Targeted Therapy

  https://www.nature.com/articles/s41392-025-02127-9

  In recent years, the incidence of acute respiratory distress syndrome (ARDS) has been gradually increasing. […] ARDS is characterized by acute hypoxaemic respiratory failure with diffuse pulmonary inflammation and bilateral edema due to excessive alveolocapillary permeability in patients with non-cardiogenic pulmonary diseases. […] The Berlin definition, currently regarded as the gold standard, dominates the diagnostic landscape for ARDS. However, no foolproof method can definitively confirm or rule out this diagnosis. […] Compounding this diagnostic conundrum is the remarkable heterogeneity that characterizes ARDS. The underlying pathological causes, the way they present clinically, and how patients respond to treatment can vary dramatically from one individual to another. […] This variability presents a significant challenge to both clinicians working on the front lines and researchers dedicated to finding solutions.

• #2 Acute Respiratory Distress Syndrome (ARDS)

  https://my.clevelandclinic.org/health/diseases/15283-acute-respiratory-distress-syndrome-ards

  Acute respiratory distress syndrome (ARDS) is a lung injury that happens when fluids build up in small air sacs (alveoli) in your lungs. ARDS prevents your lungs from filling up with air and causes dangerously low oxygen levels in your blood (hypoxia). Healthcare providers typically diagnose a person as having mild, moderate or severe respiratory distress syndrome. They determine that level by comparing the level of oxygen in your blood with the amount of oxygen that needs to be given to achieve a healthy blood oxygen level. […] Healthcare providers diagnose ARDS based on a physical exam and the results of several tests. Since the symptoms of ARDS are similar to chronic lung or heart conditions, your provider may need to rule out other causes. […] A healthcare provider may order a combination of tests, including: Chest X-ray to measure fluid in your lungs. A blood test to measure oxygen levels in your blood and determine the severity of ARDS. Echocardiogram (ultrasound of your heart) to evaluate heart function. Electrocardiogram (or EKG) to measure your hearts electrical activity. A fingertip sensor (pulse oximetry) for constant monitoring of oxygen levels. A computed tomography (CT) scan to provide more detailed information about your lungs. Sampling of secretions from your airways to find the cause of an infection.

• #2 Acute Respiratory Distress Syndrome: Diagnosis and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/2020/0615/p730.html

  Acute respiratory distress syndrome (ARDS) is noncardiogenic pulmonary edema that manifests as rapidly progressive dyspnea, tachypnea, and hypoxemia. Diagnostic criteria include onset within one week of a known insult or new or worsening respiratory symptoms, profound hypoxemia, bilateral pulmonary opacities on radiography, and inability to explain respiratory failure by cardiac failure or fluid overload. […] ARDS is thought to occur when a pulmonary or extrapulmonary insult causes the release of inflammatory mediators, promoting inflammatory cell accumulation in the alveoli and microcirculation of the lung. […] ARDS often must be differentiated from pneumonia and congestive heart failure, which typically has signs of fluid overload. […] The Berlin criteria used for the diagnosis of ARDS in adults. These criteria are based on timing of symptom onset (within one week of known clinical insult or new or worsening respiratory symptoms); bilateral opacities on chest imaging that are not fully explained by effusions, lobar or lung collapse, or nodules; the likely source of pulmonary edema (respiratory failure not fully explained by cardiac failure or fluid overload); and oxygenation as measured by the ratio of partial pressure of arterial oxygen (Pao2) to fraction of inspired oxygen (Fio2).

• #2 Acute Respiratory Distress Syndrome: Diagnosis and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/2012/0215/p352.html

  Acute respiratory distress syndrome manifests as rapidly progressive dyspnea, tachypnea, and hypoxemia. Diagnostic criteria include acute onset, profound hypoxemia, bilateral pulmonary infiltrates, and the absence of left atrial hypertension. […] The American-European Consensus Conference (AECC) has published diagnostic criteria for ARDS: acute onset; ratio of partial pressure of arterial oxygen to fraction of inspired oxygen (PaO2/FiO2) of 200 or less, regardless of positive end-expiratory pressure; bilateral infiltrates seen on frontal chest radiograph; and pulmonary artery wedge pressure of 18 mm Hg or less when measured, or no clinical evidence of left atrial hypertension. […] Because pneumonia is a leading cause of ARDS, distinguishing patients with uncomplicated pneumonia from those who have pneumonia complicated by ARDS presents a greater diagnostic challenge. In general, a patient with uncomplicated pneumonia may have signs of systemic and pulmonary inflammation (i.e., fever, chills, fatigue, sputum production, pleuritic chest pain, and localized or multifocal infiltrates); accompanying hypoxia should respond to oxygen administration. If hypoxia does not correct with oxygen administration, ARDS should be suspected and confirmed based on AECC diagnostic criteria.

• #2 Acute respiratory distress syndrome | Radiology Reference Article | Radiopaedia.org

  https://radiopaedia.org/articles/acute-respiratory-distress-syndrome-1?lang=us

  Acute respiratory distress syndrome (ARDS) is a form of acute lung injury and occurs as a result of a severe pulmonary injury that causes alveolar damage heterogeneously throughout the lung. It can either result from a direct pulmonary source or as a response to systemic injury. […] The diagnosis is based on mainly clinical criteria set forth by the American-European Consensus Conference. Acute respiratory distress syndrome is characterized by the following criteria: lung injury of acute onset, within one week of an apparent clinical insult and with the progression of respiratory symptoms; bilateral opacities on chest imaging not explained by other pulmonary pathology; respiratory failure not explained by heart failure or volume overload; decreased arterial PaO2/FiO2 ratio. […] It is of note that the clinical diagnosis of ARDS using internationally accepted guidelines and chest radiographs has been demonstrated to correlate poorly with histopathological diagnosis at autopsy.

• #2 Acute Respiratory Distress Syndrome (ARDS) | Doctor

  https://patient.info/doctor/acute-adult-respiratory-distress-syndrome

  Acute respiratory distress syndrome (ARDS) is a common and devastating condition which can affect all adult patients – eg, medical, surgical and obstetric patients. It occurs when non-cardiogenic pulmonary oedema (secondary to acute damage to the alveoli) leads to acute respiratory failure. […] The Berlin criteria are used for the diagnosis of ARDS in adults. […] According to the Berlin definition, ARDS is an acute form of diffuse lung injury occurring in patients with a predisposing risk factor, meeting the following criteria: […] Onset within one week of a known clinical insult or new/worsening respiratory symptoms. […] Presence of bilateral opacities on CXR, not fully explained by effusion, lobar/lung collapse, or nodules. […] Diagnosis of respiratory failure not fully explained by cardiac failure or fluid overload.

• #2 Acute Respiratory Distress Syndrome (ARDS) | Doctor

  https://patient.info/doctor/acute-adult-respiratory-distress-syndrome

  Presence of hypoxaemia, as defined by a specific threshold of the PaO2/FiO2 ratio measured with a minimum requirement of positive end-expiratory pressure (PEEP) 5 cm H2O. […] Three categories of severity are identified: […] Mild (200 millimetres of mercury (mm Hg) PaO2/FiO2 300 mm Hg). […] Moderate (100 mm Hg PaO2/FiO2 200 mm Hg). […] Severe (PaO2/FiO2 100 mm Hg). […] The Faculty of Intensive Care Medicine and Intensive Care Society Guideline Development Group developed guidelines for the management of patients with acute respiratory distress syndrome (ARDS) that are supported by the British Thoracic Society. […] They suggest that where mechanical ventilation is required, low tidal volumes (6 ml/kg ideal body weight) and airway pressures (plateau pressure 30 cmH2O) are used.

• #2 Acute Respiratory Distress Syndrome – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK436002/

  Acute respiratory distress syndrome (ARDS) is a life-threatening condition characterized by poor oxygenation and non-compliant or „stiff” lungs. The disorder is associated with capillary endothelial injury and diffuse alveolar damage. Once ARDS develops, patients usually have varying degrees of pulmonary artery vasoconstriction and may develop pulmonary hypertension. ARDS carries a high mortality, and few effective therapeutic modalities exist to alleviate this deadly condition. This activity reviews the clinical presentation, evaluation, and management of acute respiratory distress syndrome and highlights the importance of coordinated interprofessional teamwork in caring for patients with this condition. […] The diagnosis of ARDS is based on the following criteria: acute onset, bilateral lung infiltrates on chest radiography or CT scan (who are of non-cardiac origin), and a PaO2/FiO2 ratio of less than 300 mm Hg. It is further sub-classified into mild (PaO2/FiO2 200 mm Hg, but 300 mm Hg), moderate (PaO2/FiO2 100 mm Hg, but 200 mm Hg), and severe (PaO2/FiO2 100 mm Hg) subtypes. Mortality and ventilator-free days increase with severity.

• #2 Acute Hypoxemic Respiratory Failure (AHRF, ARDS) – Critical Care Medicine – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/critical-care-medicine/respiratory-failure-and-mechanical-ventilation/acute-hypoxemic-respiratory-failure-ahrf-ards

  Diagnosis of ARDS based on the Berlin definition is challenging in the setting of changing clinical practice (ie, increasing use of high-flow nasal cannula and ubiquitous use of pulse oximetry) and often cannot be applied in low-resource settings (due to lack of routine access to chest radiography, arterial blood gas sampling, and mechanical ventilation). […] Therefore, a consensus panel has proposed modifying the Berlin definition to include ultrasonography for confirmation of bilateral opacities; use of positive end-expiratory pressure (PEEP) and high flow oxygen (of at least 30 L/minute); and oxygen saturation/fraction of inspired oxygen (FiO2) 315 if the oxygen saturation is 97%. […] In ARDS, pulmonary or systemic inflammation leads to release of cytokines and other proinflammatory molecules.

• #2 Acute Respiratory Distress Syndrome – Diagnosis | NHLBI, NIH

  https://www.nhlbi.nih.gov/health/ards/diagnosis

  Lung imaging tests, such as a chest X-ray or computerized tomography (CT) scan, create detailed images of your lungs. […] Other tests, such as the following, can help find the cause of your ARDS or determine whether there is another type of problem: […] Bronchoscopy can diagnose a lung problem when there is no clear cause of your ARDS.

• #2 ARDS Diagnosis Criteria | Do You Have ARDS?

  https://www.nationaljewish.org/conditions/ards/diagnosis

  A variety of diagnostic tests are used to help diagnose ARDS. These tests determine how well the lungs are functioning, rule out other conditions with similar signs and symptoms, and identify the source of the infection. Tests for acute respiratory distress syndrome can include imaging, blood tests, analyzing sputum (the mixture of saliva and mucous that is coughed up) identify possible sources of acute respiratory distress syndrome. […] Chest X-rays show images of organs, tissues and bones in the chest area. It can show abnormalities including fluid or pneumonia in both lungs. Sometimes a patient with ARDS will be mistaken for having heart failure. […] Blood cultures examine blood samples for infection caused by bacteria, yeasts, fungi and viruses. These tests identify the infection in the blood and help the doctor determine what is causing ARDS.

• #2 Acute respiratory distress syndrome | Radiology Reference Article | Radiopaedia.org

  https://radiopaedia.org/articles/acute-respiratory-distress-syndrome-1?lang=us

  Sonographic findings consistent with a diagnosis of ARDS include: alveolar-interstitial syndrome defined by the presence of bilateral, diffuse lung rockets; heterogenous distribution; pleural interface abnormalities; absence of significant pleural effusions; absence of elevated cardiac filling pressures.

• #2 Acute Respiratory Distress Syndrome – Diagnosis | NHLBI, NIH

  https://www.nhlbi.nih.gov/health/ards/diagnosis

  Your doctor will diagnose acute respiratory distress syndrome (ARDS) based on your medical history, a physical exam, and test results. ARDS can be difficult to diagnose and is often mistaken for another condition, so it is important to know your symptoms. […] To help diagnose ARDS, your doctor may ask you about any medical conditions or recent events that could be considered risk factors. […] Your doctor will also ask about your symptoms and whether you have a heart problem, such as heart failure, or another condition that can cause symptoms similar to those for ARDS. […] Your doctor will examine you for signs of ARDS. […] To diagnose ARDS, your doctor may have you undergo some of the following tests and procedures. […] Blood tests measure the oxygen level in your blood, using a sample of blood taken from an artery. A low blood oxygen level might be a sign of ARDS.

• #2 Acute Respiratory Distress Syndrome (ARDS) Workup: Approach Considerations, Laboratory Tests, Radiography

  https://emedicine.medscape.com/article/165139-workup

  Acute respiratory distress syndrome (ARDS) is defined by the acute onset of bilateral pulmonary infiltrates and severe hypoxemia in the absence of evidence of cardiogenic pulmonary edema. Workup includes selected laboratory tests, diagnostic imaging, hemodynamic monitoring, and bronchoscopy. ARDS is a clinical diagnosis, and no specific laboratory abnormalities are noted beyond the expected disturbances in gas exchange and radiographic findings. […] When an extra-pulmonary etiology is suspected, patients should be given a COVID test. If pneumonia is suspected, sputum culture, respiratory mutiplex polymerase chain reaction (PCR), antigen tests, and blood cultures are required for diagnosis. […] In ARDS, if the partial pressure of oxygen in the patients arterial blood (PaO2) is divided by the fraction of oxygen in the inspired air (FiO2), the result is 300 or less. For patients breathing 100% oxygen, this means that the PaO2 is less than 300.

• #2

  https://link.springer.com/article/10.1007/s44231-025-00079-w

  Acute respiratory distress syndrome (ARDS) is a highly lethal non-cardiogenic pulmonary edema. […] The newly introduced definition of ARDS expands its diagnostic criteria, permitting SpO2/FiO2315 and SpO297% (SpO2/FiO2 becomes invalid when SpO297%) as benchmarks for hypoxemia. […] Pulmonary edema determination remains central to ARDS diagnosis. Lung X-rays or CT scans, which can visualize or quantify pulmonary edema, are crucial for ARDS diagnosis. […] This guideline aims to provide comprehensive evidence-based medical evidence for the management of ARDS patients beyond mechanical ventilation, assisting clinicians in making prompt and accurate decisions. […] The guideline expert group suggests that patients with moderate to severe ARDS should add corticosteroid therapy (12 mg/kg prednisone equivalent) within 24 h after diagnosis, with a treatment duration of less than 1 week, or determine the dose and duration of corticosteroids based on clinical needs (conditional recommendation, moderate-quality evidence).

• #2 Acute Respiratory Distress Syndrome – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK436002/

  Assessing left ventricular function is crucial to differentiate ARDS from congestive heart failure or to understand heart failure’s contribution to the patient’s condition. This assessment can be done through invasive methods like pulmonary artery catheter measurements or noninvasive techniques such as cardiac echocardiography, thoracic bioimpedance, or pulse contour analysis. […] The chief treatment strategy is supportive care, focusing on 1) reducing shunt fraction, 2) increasing oxygen delivery, 3) decreasing oxygen consumption, and 4) avoiding further injury. […] A lung-protective ventilatory strategy is advocated to reduce lung injury. The NIH-NHLBI ARDS Clinical Network Mechanical Ventilation Protocol (ARDSnet) sets the following goals: tidal volume (TV) from 4 to 8 mL/kg of ideal body weight (IBW), respiratory rate (RR) up to 35 bpm, SpO2 88% to 95%, plateau pressure (Pp) less than 30 cm H2O, pH goal 7.30 to 7.45, and inspiratory-to-expiratory time ratio less than 1.

• #2 ARDS Diagnosis Criteria | Do You Have ARDS?

  https://www.nationaljewish.org/conditions/ards/diagnosis

  Blood gas tests show low oxygen levels in the blood. Sometimes the CO2 level will be low because the patient is hyperventilating to maintain their oxygen level. This test indicates how well the lungs are working. […] Sputum samples look at the substance that is coughed up to help identify the infection. Sputum, also called phlegm, contains white blood cells, dead cells, foreign debris thats inhaled, bacteria and other immune cells. […] Computerized tomography (CT) scans take cross section images of the area around the heart and lungs to identify possible sources of acute respiratory distress syndrome. […] Heart Tests can rule out certain heart conditions that can be mistaken for ARDs. An electrocardiogram (ECG) test measures the hearts rhythm and activity. An echocardiogram uses ultrasound to show if the heart muscle and valves are working correctly.

• #2 Acute Respiratory Distress Syndrome (ARDS) Causes, Symptoms, Diagnosis and Treatment – Cura4U

  https://cura4u.com/conditions/acute-respiratory-distress-syndrome

  Because the clinical manifestations of ARDS are identical to those of other heart conditions, your doctor may order a series of heart tests, including: […] BNP is a protein released by a failing heart. BNP levels are increased in heart failure. A BNP level of less than 100 pg/mL suggests ARDS instead of pulmonary edema due to heart failure in a person with bilateral infiltrates and hypoxemia. […] This non-invasive examination monitors your heart’s electrical activity. […] This test, which is ultrasonography of the heart, can show abnormalities in the function and structure of your heart.

• #2 Early Identification and Diagnostic Approach in Acute Respiratory Distress Syndrome (ARDS)

  https://www.mdpi.com/2075-4418/11/12/2307

  In case of pulmonary ARDS, a first-line diagnostic work-up should include a detailed and complete search for any underlying pulmonary infection. […] To date, no clinical practice guidelines have recommended structured diagnostic work-up in ARDS patients. […] In the absence of obvious diagnosis and in case of non-documented pneumonia, we propose here a second-line diagnostic work-up. […] A complete diagnostic work-up initially including viral and bacterial pathogens, and subsequently including lung computed tomography, bronchoalveolar lavage and auto-immunity tests is needed for the diagnosis of ARDS without evident etiology.

• #2 Biomarkers for the acute respiratory distress syndrome: how to make the diagnosis more precise

  https://atm.amegroups.org/article/view/15708/html

  The acute respiratory distress syndrome (ARDS) is an acute inflammatory process of the lung caused by a direct or indirect insult to the alveolar-capillary membrane. Currently, ARDS is diagnosed based on a combination of clinical and physiological variables. […] The lack of a specific biomarker for ARDS is arguably one of the most important obstacles to progress in developing novel treatments for ARDS. […] ARDS cannot be diagnosed by a single laboratory test. Since no specific ARDS biomarker has yet been described, it is likely that the incidence of what we currently consider to be ARDS is overestimated, since patients with transient or persistent hypoxemic respiratory failure from other diseases accompanied with bilateral pulmonary infiltrates could be erroneously diagnosed as having ARDS.

• #2 Advances in Biomarkers for Diagnosis and Treatment of ARDS

  https://www.mdpi.com/2075-4418/13/21/3296

  The majority of detected biomarkers are not specific to ARDS. Some biomarkers, such as IL-6, IL-8, and TNF-α, can be raised in multiple types of inflammation, limiting their ability to differentiate ARDS from other conditions. […] Despite huge progress in understanding ARDS biomarkers, there are still obstacles and deficiencies in translating these findings into the clinical arena. […] To gain a better understanding of ARDS and its varied pathophysiological mechanisms, it is essential to carry out further research to refine and validate these biomarkers for improved diagnosis, prognosis, and individualized treatment strategies.

• #2 A new method for identifying the acute respiratory distress syndrome disease based on noninvasive physiological parameters | PLOS One

  https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0226962

  Acute respiratory distress syndrome is a disease that seriously threatens the health of human lives. According to relevant epidemiological investigations, the in-hospital mortality rate of ARDS is as high as 40%. Currently, the diagnosis of ARDS disease is mainly based on the Berlin definition. The Berlin definition was introduced in 2012 and allowed a clear diagnosis of ARDS disease by stating that when positive end-expiratory pressure (PEEP) 5 cmH2O, ARDS can be classified into three stated with increasing severity, namely, mild (200 arterial oxygen partial pressure (PaO2)/ fraction of inspired oxygen (FiO2) (P/F) 300), moderate (100 P/F 200), and severe (P/F 100), according to the level of oxygenation index (P/F). At present, blood gas analysis is mainly used to measure PaO2 to calculate the P/F value to evaluate the severity of ARDS. However, this method is still limited by some defects. Firstly, the calculation of the P/F value requires blood gas analyses. In the clinical use of arterial indwelling catheters, daily care is difficult, and it is not easy to operate on some particular patients, such as newborns and elderly patients. Secondly, arterial blood gas analyses cannot monitor the development of patients with ARDS in real-time, which makes doctors unable to adopt appropriate respiratory therapy strategies and delay the diagnosis and treatment of patients.

• #2 A new method for identifying the acute respiratory distress syndrome disease based on noninvasive physiological parameters | PLOS One

  https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0226962

  In recent years, in response to encountered problems in conducting blood gas analyses, researchers attempted to use the noninvasive parameter pulse oximetric saturation (SpO2)/FiO2 (S/F) to estimate P/F, thereby achieving noninvasive identification of the severity of ARDS disease. At this stage, the single SpO2 parameter was mainly used, and there was a specific limit expected in relation to the range of SpO2 (SpO2 97%). The traditional linear regression algorithm was used to construct the prediction model, but the model identification effect was not ideal. Additionally, it was challenging to provide accurate guidance for medical staff in the clinic. […] In response to the problems listed above, we extracted a variety of noninvasive physiological parameters from ICU patients and explored the relevance of these parameters for the identification of the level of P/F ratio. An algorithmic model for identifying ARDS disease based on a variety of noninvasive parameters was established to provide medical staff with the reference basis for disease diagnosis. This model uses a feature selection algorithm and a cross-validation model to evaluate the recognition effects of four machine learning algorithms using different subsets of feature values.

• #2 ARDS Diagnosis May Be Underrecognized, Good Treatment Options Exist < Yale School of Medicine

  https://medicine.yale.edu/news-article/ards-diagnosis-may-be-underrecognized-good-treatment-options-exist/

  Acute Respiratory Distress Syndrome (ARDS) has been defined in a variety of different ways, explained Moss. Importantly, it is a syndrome and that means that we define it based on clinical criteria. In 2012, the Berlin definition was created to streamline the diagnosis. […] How well do physicians do with identifying the disease? Moss cited a 2016 JAMA study which showed that ARDS is common in intensive care units (ICU) around the world, and almost 25% of patients on mechanical ventilation will meet criteria for ARDS. The disease is underrecognized by physicians and healthcare professionals. Of the patients with ARDS, only 60% had documentation in their chart that they actually had ARDS. […] We now have specific ways of treating ARDS, and if you are not recognizing ARDS, you arent treating people in the right way, said Moss.

• #2 Advances in acute respiratory distress syndrome: focusing on heterogeneity, pathophysiology, and therapeutic strategies | Signal Transduction and Targeted Therapy

  https://www.nature.com/articles/s41392-025-02127-9

  The accurate and evidenced-based Berlin definition achieved a better ability to predict mortality. […] However, the lack of standard criteria for diagnosing acute onset, the sensitivity of the oxygenation index to different ventilation settings, the reliability of chest radiography criteria, and the difficulty of distinguishing hydrostatic edema made it difficult for physicians to diagnose ARDS. […] The incidence of ARDS is age dependent, increasing from 16/100,000 person-years for individuals 15-19 years of age to 306/100,000 person-years for individuals 75-84 years of age. […] The incidence of ARDS among ICU patients was investigated in a large-scale study; 10% of ICU patients met the criteria for ARDS, and a quarter of all critically ill patients who required mechanical ventilation developed ARDS.

• #2 What Are the Parameters Used to Diagnose ARDS?

  https://www.icliniq.com/articles/respiratory-health/ards-diagnosis-and-outcomes

  Acute respiratory distress syndrome (ARDS) is a critical lung condition that requires early diagnosis and medical attention before it becomes life-threatening. […] ARDS is a severe and life-threatening condition in critically ill patients, which results in poor oxygenation, acute onset, and pulmonary infiltrates. […] To diagnose ARDS, doctors measure the patient’s arterial oxygen levels (PaO2) in relation to the amount of oxygen in the air they are breathing (FiO2). The PaO2/FiO2 ratio in ARDS patients is less than 300. […] The outcome is usually better if ARDS is diagnosed early and treated promptly. […] Recovery from ARDS can be a slow and gradual process. […] ARDS is a serious medical emergency that can quickly become life-threatening. So it requires prompt diagnosis and treatment to improve outcomes.

• #2 ARDS Diagnosis May Be Underrecognized, Good Treatment Options Exist < Yale School of Medicine

  https://medicine.yale.edu/news-article/ards-diagnosis-may-be-underrecognized-good-treatment-options-exist/

  One take home message is that there are things that we can do for patients with ARDS in the ICU: low tidal ventilation, PEEP strategies, prone positioning, intermittent neuromuscular blockade, and ECMO that we are not doing effectively and that is affecting the outcomes of our patients in not a good way, concluded Moss.

• #2 ARDS Symptoms and Diagnosis | American Lung Association

  https://www.lung.org/lung-health-diseases/lung-disease-lookup/ards/ards-symptoms-and-diagnoses

  When patients present with the above symptoms, doctors will do a chest X-ray to look for fluid in the lungs and a blood test to find out the severity of the oxygen starvation. […] ARDS has to be separated from heart failure and chronic lung disease. […] Doctors suspect ARDS if they can identify a lung injury.

• #2 Best Acute Respiratory Distress Syndrome (ARDS) Treatment | ARDS Causes, Symptoms, Therapy & Medications

  https://www.maxhealthcare.in/our-specialities/pulmonology/conditions-treatments/acute-respiratory-distress-syndrome

  Diagnosing ARDS typically involves a combination of clinical evaluation, medical history review, physical examination, and various tests. Here’s an overview of the diagnostic process: […] The healthcare provider will ask about symptoms such as shortness of breath, rapid breathing, and low oxygen levels. They’ll also inquire about any underlying conditions or recent events that may have triggered ARDS, such as pneumonia, sepsis, trauma, or aspiration. […] The doctor will listen to the lungs with a stethoscope to detect abnormal breath sounds such as crackles and diminished breath sounds, which are common findings in ARDS. […] Blood tests are done to assess oxygen levels, carbon dioxide levels, and other markers of inflammation or organ dysfunction. […] The diagnosis of ARDS is based on specific criteria, including the degree of hypoxemia (low oxygen levels), bilateral infiltrates on chest imaging, absence of heart failure as the primary cause, and certain physiological criteria related to respiratory function.

• #2 Advances in acute respiratory distress syndrome: focusing on heterogeneity, pathophysiology, and therapeutic strategies | Signal Transduction and Targeted Therapy

  https://www.nature.com/articles/s41392-025-02127-9

  Despite advances in supportive care, ARDS remains a significant cause of morbidity and mortality in critically ill patients, with high mortality rates of 35% (for mild cases), 40% (for moderate cases), and 45% (for severe cases). […] The etiology, physiology and microbiology of ARDS are highly heterogeneous, so personalized medicine approaches for patients with different phenotypes might be a goal of future treatment. […] The pathophysiology of ARDS is complex, and the mechanism includes the activation and dysregulation of multiple overlapping and interacting pathways associated with injury, inflammation, and coagulation, both in the lungs and systemically; this process involves a variety of cells. […] The pathological changes that occur in ARDS include alveolar epithelial injury, pulmonary endothelial injury, pulmonary macrophage injury, and pulmonary fibroblast injury, which are all observed in animal models of ALI/ARDS.

• #3

  https://journals.lww.com/ccmjournal/fulltext/2024/02000/use_of_lung_ultrasound_in_the_new_definitions_of.31.aspx

  To assess the effect of incorporating bilateral abnormalities as detected by lung ultrasound (LUS) in the Kigali modification and the New Global definition of acute respiratory distress syndrome (ARDS) on the occurrence rate of ARDS. […] The addition of bilateral abnormalities as detected by LUS to the Kigali modification and the New Global definition increases the occurrence rate of the ARDS. […] The findings of this post hoc analysis provides evidence that the use of LUS in the Kigali modification and New Global criteria increases the occurrence rate of ARDS when compared with using chest radiography to diagnose bilateral opacities. […] Our results show that incorporating LUS in the ARDS definition increases the occurrence rate of ARDS and that there is a difference in LUS patterns between patients with and without ARDS.

• #3 Advances in Biomarkers for Diagnosis and Treatment of ARDS

  https://www.mdpi.com/2075-4418/13/21/3296

  Acute respiratory distress syndrome (ARDS) is a common and fatal disease, characterized by lung inflammation, edema, poor oxygenation, and the need for mechanical ventilation, or even extracorporeal membrane oxygenation if the patient is unresponsive to routine treatment. […] The use of biomarkers is pivotal in diagnosing, predicting the course, and treating ARDS. They can be used to distinguish between different types of conditions, evaluate their severity, and track the effectiveness of treatment. […] The classification of the biomarkers related to ARDS is presented in Figure 1. […] Although many biomarkers connected to ARDS have been uncovered, there is still a notable gap between pinpointing them and their clinical application. […] The heterogeneity of ARDS, caused by different etiologies and the production of a variety of clinical phenotypes, is a challenge and makes it hard to identify a biomarker or set of biomarkers that can be used as a universal diagnostic, prognostic, or therapeutic tool.

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