Materiały źródłowe

• #1 Transient ischemic attack (TIA) – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/transient-ischemic-attack/diagnosis-treatment/drc-20355684

  A prompt evaluation of your symptoms is vital to diagnose the cause of a transient ischemic attack. It also helps your healthcare professional determine the best treatment. To pinpoint the cause of the TIA and to assess your risk of a stroke, your healthcare professional may rely on the following: […] Your healthcare professional performs a physical exam and a neurological exam. Tests of your vision, eye movements, speech and language, strength, reflexes, and sensory system are included. […] If your healthcare professional suspects that a narrowed carotid artery in the neck may be the cause of your TIA, you may need a carotid ultrasound. […] CT scans of the head use X-ray beams to create a 3D image. This allows your healthcare professional to look at the brain or the arteries in the neck and brain. […] These tests use a strong magnetic field to create a 3D view of the brain. […] This test may be done to find out if a heart issue caused fragments in the blood that led to a blockage. […] This procedure is used in some people to get a view of arteries in the brain not usually seen in an X-ray.

• #2 TIA (Transient Ischemic Attack): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/14173-transient-ischemic-attack-tia-or-mini-stroke

  Transient ischemic attacks (TIAs) are often incorrectly called mini-strokes, but theyre every bit as serious as a true stroke. A TIA is a medical emergency you shouldnt ignore. More importantly, its a chance to get treatment that can prevent a future stroke. […] A transient ischemic attack is like a temporary stroke. It means theres a temporary (transient) lack of blood flow to part of your brain. Without blood flow, the brain cells malfunction and start to die (ischemia). […] A transient ischemic attack is a medical emergency just like a stroke is. […] If you or someone youre with has TIA or stroke symptoms, you should immediately call 911 (or the local emergency services number in your area). […] A common nickname for TIAs is mini-strokes. But thats not an accurate name. A TIA isnt necessarily mini or smaller, and TIAs can easily affect large brain areas.

• #3 TIA (Transient Ischemic Attack): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/14173-transient-ischemic-attack-tia-or-mini-stroke

  The symptoms of an ischemic stroke can involve one or more of the following: One-sided weakness or paralysis (hemiplegia). Difficulty with or loss of speaking ability (aphasia). Slurred or garbled speaking (dysarthria). Loss of muscle control on one side of your face or facial droop. […] Transient ischemic attacks and ischemic strokes happen for the same reasons. […] The main reason that a TIA is a medical emergency is because its often a warning that a stroke is possible or even imminent. […] A healthcare provider can diagnose a TIA using a combination of methods, including: Medical history. Physical and neurological exam. Imaging scans. […] A TIA, by definition, is a temporary issue. But it indicates that a stroke which isnt temporary could happen. […] The most common treatments to prevent a stroke after a TIA include: Medications. Catheter-based procedures. Surgery.

• #4

  https://www.nhs.uk/conditions/transient-ischaemic-attack-tia/diagnosis/

  It’s important to be assessed by a healthcare professional as soon as possible if you think you’ve had a transient ischaemic attack (TIA). […] After an initial assessment, you will be referred to a specialist for further tests to help determine the cause of the TIA. You should be referred to see a specialist within 24 hours of the start of your symptoms. […] If they suspect you’ve had a TIA, you’ll be given aspirin to take straight away to prevent a stroke, unless theres a medical reason why you cannot take aspirin. You’ll also be referred to a specialist for further tests. […] You’ll usually be seen by a doctor who specialises in conditions that affect the brain and spine (neurologist), or a consultant who specialises in strokes. This may be in a specialist stroke or TIA clinic, or an acute stroke unit.

• #5 Transient Ischemic Attack (TIA) | American Stroke Association

  https://www.stroke.org/en/about-stroke/types-of-stroke/tia-transient-ischemic-attack

  A transient ischemic attack, or TIA, is a temporary blockage of blood flow to the brain. The clot usually dissolves on its own or gets dislodged, and the symptoms usually last less than five minutes. […] TIAs’ temporary symptoms, which can last from only a few minutes up to 24 hours, make diagnosis challenging. Stroke symptoms that disappear in under an hour need emergency assessment to help prevent a full-blown stroke. […] Get help immediately if you think you could be having a TIA. Ideally your comprehensive evaluation should be done within 24 hours of when symptoms began. Here is what you can expect: Assessment for symptoms and medical history, Imaging of the blood vessels in the head and neck, Other testing such as head CT, angiography and MRI. […] Once TIA is diagnosed, a follow-up visit with a neurologist is recommended to assess your risk of future stroke.

• #6 Diagnosis and Management of Transient Ischemic Attack

  https://pmc.ncbi.nlm.nih.gov/articles/PMC5898963/

  Purpose of Review: This article reviews the diagnosis, investigation, and recommended management after a transient ischemic attack (TIA) and discusses how to make an accurate diagnosis, including the diagnosis of mimics of TIAs. […] Imaging of the brain and intracranial and extracranial blood vessels using CT, CT angiography, carotid Doppler ultrasound, and MRI is an important part of the diagnostic assessment. […] The diagnosis of TIA depends on the quality and quantity of information available and the time of assessment. […] The main criteria used are the clinical history or objective findings on neurologic examination consistent with focal neurologic dysfunction at some point of the evaluation and imaging of the brain. […] A limitation of the clinical definitions of stroke and TIA is that they rely on the presumed cause of the symptoms: ischemia.

• #7 Diagnosis and Management of Transient Ischemic Attack

  https://pmc.ncbi.nlm.nih.gov/articles/PMC5898963/

  The diagnosis of TIA remains largely clinical and is based on taking an accurate history. […] An accurate diagnosis of a stroke mimic impacts treatment decisions and provides reassurance when the diagnosis is something more benign than TIA. […] Urgent imaging using CT/CT angiography can identify patients at high risk for recurrent stroke. […] Although the presence of a lesion seen on diffusion-weighted imaging can be helpful by proving that ischemia occurred, the absence of a lesion does not rule out ischemia. […] Recognition and management of TIA offers the greatest opportunity to prevent disabling stroke.

• #8 Transient Ischemic Attack (TIA)

  https://www.webmd.com/stroke/what-to-know-about-a-transient-ischemic-attack-tia

  If you have symptoms of a TIA, it’s important to see your doctor right away. A quick diagnosis is important, because it helps figure out what caused your TIA, how your doctor should treat it, and your risk of having a full-blown stroke. […] Your doctor might use: […] Physical and neurological exams. They’ll test your vision, eye movement, speech, language, reflexes, strength, and sensory system. […] Computerized tomography (CT) or computerized tomography angiography (CTA) scans. These use X-rays to make a 3D image of the brain, along with the arteries in your neck and brain. […] Carotid ultrasonography. If your doctor thinks your carotid artery caused your TIA, they’ll use this tool to look closely at any narrowing or clotting in your neck. […] Magnetic resonance imaging (MRI) or magnetic resonance angiography (MRA). These tests use a magnetic field to help your doctor check your brain, arteries, and neck.

• #9

  https://pmc.ncbi.nlm.nih.gov/articles/PMC6604401/

  Identifying and treating patients with transient ischemic attack is an effective means of preventing stroke. However, making this diagnosis can be challenging, and over a third of patients referred to stroke prevention clinic are ultimately found to have alternate diagnoses. […] We performed a systematic review to determine how neurologists diagnose transient ischemic attack. […] Neurologists were more likely to diagnose transient ischemic attack based on clinical features including negative symptoms or speech deficits. Patients with positive symptoms, altered level of consciousness, or the presence of nonfocal symptoms such as confusion or amnesia were more likely to be diagnosed with transient ischemic attack mimic. Neurologists commonly include mode of onset (i.e. sudden versus gradual), recurrence of attacks, and localizability of symptoms to a distinct vascular territory in the diagnostic decision-making process. Transient ischemic attack diagnosis was more commonly associated with advanced age, preexisting hypertension, atrial fibrillation, and other vascular risk factors.

• #10 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Transient-Ischemic-Attack-Diagnosis.aspx

  If transient ischemic attack (TIA) is suspected, immediate assessment is required to confirm the diagnosis and create a suitable management plan for the prevention of future attacks or stroke. […] The symptoms of a TIA are typically of short duration and, in the majority of cases, there are no notable symptoms that are evident upon patient presentation. […] Blood pressure is routinely tested in patients that are suspected to have had a TIA to investigate the involvement of hypertension. […] Blood tests are also usually used to detect any abnormalities that may have been responsible for causing the symptoms of TIA. […] In some cases, a transthoracic or transesophageal echocardiogram can help to determine the involvement of the heart and atrial fibrillation in causing the TIA. […] Ultrasonography of the carotid artery enables the visualization of the arteries and provides any evidence of blood clots of vessel narrowing present.

• #11 Transient Ischemic Attack: Part I. Diagnosis and Evaluation | AAFP

  https://www.aafp.org/pubs/afp/issues/2012/0915/p521.html

  Transient ischemic attack is defined as transient neurologic symptoms without evidence of acute infarction. […] Correct and early diagnosis of transient ischemic attack versus mimicking conditions is important because early interventions can significantly reduce risk of future stroke. […] Urgent evaluation is necessary in patients with symptoms of transient ischemic attack and includes neuroimaging, cervicocephalic vasculature imaging, cardiac evaluation, blood pressure assessment, and routine laboratory testing. […] The ABCD2 (age, blood pressure, clinical presentation, diabetes mellitus, duration of symptoms) score should be determined during the initial evaluation and can help assess the immediate risk of repeat ischemia and stroke. […] The AHA/ASA recommends neuroimaging within 24 hours of symptom onset.

• #12 Transient Ischemic Attack: Part I. Diagnosis and Evaluation | AAFP

  https://www.aafp.org/pubs/afp/issues/2012/0915/p521.html

  The presence of infarction on MRI can have important prognostic implications. […] The diagnostic evaluation of suspected TIA should be initiated as soon as possible to stratify risk of recurrent events. […] In patients with TIA, the cervicocephalic vasculature should be assessed for treatable atherosclerotic lesions using carotid ultrasonography/transcranial Doppler ultrasonography, magnetic resonance angiography, or CT angiography. […] Electrocardiography should be performed during the initial evaluation. […] In the initial evaluation of TIA symptoms, blood glucose and serum electrolyte levels should be measured to help rule out hypoglycemia or an electrolyte imbalance as the cause of change in mental status. […] The ABCD2 score has been shown to be highly predictive of the severity of stroke; higher scores correlate with higher disability and length of hospitalization.

• #13 Transient Ischemic Attack Workup: Approach Considerations, Laboratory Studies, Noncontrast Cranial Computed Tomography

  https://emedicine.medscape.com/article/1910519-workup

  Individuals with an ABCD2 score of 67 have an 8% risk of stroke within 2 days, whereas those with an ABCD2 score lower than 4 have a 1% risk of stroke within 2 days. […] It has been proposed that this scoring system can be used to risk-stratify ED patients for emergency workup and to predict the severity of recurrent stroke after TIA. […] One group has developed two variations of the ABCD2 score that may improve risk stratification after TIA in secondary settings. The ABCD3 score assigns 2 points for dual TIA (an earlier TIA within 7 days of the index event), and the ABCD3-I score adds stenosis of at least 50% on carotid imaging (2 points) and abnormal DWI (2 points).

• #14

  https://www.nhs.uk/conditions/transient-ischaemic-attack-tia/diagnosis/

  Several tests may be done to confirm a TIA and look for problems that may have caused it. Some of these tests include: […] Your blood pressure will be checked, because high blood pressure (hypertension) can lead to TIAs. […] You might need blood tests to check whether you have high cholesterol or diabetes. […] An electrocardiogram (ECG) measures your heart’s electrical activity using a number of electrodes (small, sticky patches) attached to your skin. […] A carotid ultrasound scan can show if there is narrowing or any blockages in the neck arteries leading to your brain. […] Brain scans are not always necessary if you’ve had a TIA. They’re usually only done if it’s not clear which part of your brain was affected.

• #15 Transient Ischemic Attack Workup: Approach Considerations, Laboratory Studies, Noncontrast Cranial Computed Tomography

  https://emedicine.medscape.com/article/1910519-workup

  Ruling out metabolic or drug-induced causes of symptoms consistent with a transient ischemic attack (TIA) is important. Initial assessment is aimed at excluding emergency conditions that can mimic a TIA (eg, hypoglycemia, seizure, or intracranial hemorrhage). A fingerstick blood glucose test should be performed and blood drawn for a complete blood count (CBC), coagulation studies, and serum electrolyte levels. Obtain a 12-lead electrocardiogram (ECG) with rhythm strip, and evaluate for symptomatic arrhythmias or evidence of ischemia. […] Brain imaging is recommended within 24 hours of symptom onset. Although magnetic resonance imaging (MRI) with diffusion-weighted imaging (DWI) is preferred, noncontrast computed tomography (CT) of the head is a reasonable first choice when MRI is not readily available.

• #16 Transient ischemic attack – Wikipedia

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

  Laboratory tests should focus on ruling out metabolic conditions that may mimic TIA (e.g. hypoglycemia), in addition to further evaluating a patient’s risk factors for ischemic events. […] According to guidelines from the American Heart Association and American Stroke Association Stroke Council, patients with TIA should have head imaging „within 24 hours of symptom onset, preferably with magnetic resonance imaging, including diffusion sequences”. […] The presence of ischemic lesions on diffusion weighted imaging has been correlated with a higher risk of stroke after a TIA. […] Confirming a diagnosis of carotid artery stenosis is important because the treatment for this condition, carotid endarterectomy, can pose significant risk to the patient, including heart attacks and strokes after the procedure.

• #16 Transient ischemic attack – Wikipedia

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

  A transient ischemic attack (TIA), commonly known as a mini-stroke, is a temporary (transient) stroke with noticeable symptoms that end within 24 hours. […] The occurrence of a TIA is a risk factor for having a major stroke, and many people with TIA have a major stroke within 48 hours of the TIA. […] Recognition that a TIA has occurred is an opportunity to start treatment, including medications and lifestyle changes, to prevent future strokes. […] The initial clinical evaluation of a suspected TIA involves obtaining a history and physical exam (including a neurological exam). […] The current widely accepted definition is called „tissue-based” because it is based on imaging, not time. […] The American Heart Association and the American Stroke Association (AHA/ASA) now define TIA as a brief episode of neurological dysfunction with a vascular cause, with clinical symptoms typically lasting less than one hour, and without evidence of significant infarction on imaging.

• #17 Diagnosis, Workup, Risk Reduction of Transient Ischemic Attack in the Emergency Department Setting – Professional Heart Daily | American Heart Association

  https://professional.heart.org/en/science-news/diagnosis-workup-risk-reduction-of-transient-ischemic-attack-in-the-emergency-department-setting

  About 240,000 people in the United States experience a transient ischemic attack (TIA) every year. In addition, the 90-day stroke risk following a TIA is upwards of 17.8%, but with almost half of these occurring within 2 days of the index TIA. […] The transitory nature of symptoms leaves of the diagnosis of TIA challenging. […] This American Heart Association scientific statement focuses on making the correct clinical diagnosis of TIA, risk assessment (using risk assessment scales) and the management of persons who present with symptoms of TIA.

• #18 Transient Ischemic Attacks: Part I. Diagnosis and Evaluation | AAFP

  https://www.aafp.org/pubs/afp/issues/2004/0401/p1665.html

  Guidelines issued by the National Stroke Association recommend evaluation within hours of the onset of TIA symptoms, preferably in an emergency department. […] Patients with symptoms of acute TIA for fewer than 24 to 48 hours should undergo diagnostic testing in the emergency department. […] The first step in evaluating a patient with symptoms of TIA is to confirm the diagnosis. […] Computed tomographic (CT) scanning of the head without contrast medium should be performed to identify sub-arachnoid hemorrhage, intracranial hemorrhage, or subdural hematoma. […] All patients should have a baseline electrocardiogram (ECG) with rhythm strip. […] A complete blood count with platelet count should be obtained to rule out polycythemia, thrombocytopenia, and thrombocytosis. […] After the initial more abbreviated evaluation in the emergency department, risk factors for stroke can be reassessed thoroughly later in the evaluation.

• #18 Transient Ischemic Attacks: Part I. Diagnosis and Evaluation | AAFP

  https://www.aafp.org/pubs/afp/issues/2004/0401/p1665.html

  Transient ischemic attack is no longer considered a benign event but, rather, a critical harbinger of impending stroke. […] Most patients reporting symptoms of transient ischemic attack should be sent to an emergency department. Patients who arrive at the emergency department within 180 minutes of symptom onset should undergo an expedited history and physical examination, as well as selected laboratory tests, to determine if they are candidates for thrombolytic therapy. […] A transient ischemic attack can be misdiagnosed as migraine, seizure, peripheral neuropathy, or anxiety. […] Based on an increased understanding of brain ischemia and the introduction of new treatment options, a working group has proposed redefining transient ischemic attack (TIA) as a brief episode of neurological dysfunction caused by focal brain or retinal ischemia, with clinical symptoms typically lasting less than one hour, and without evidence of acute infarction.

• #19 Transient ischemic attack: MedlinePlus Medical EncyclopediaLock

  https://medlineplus.gov/ency/article/000730.htm

  A transient ischemic attack (TIA) occurs when blood flow to a part of the brain stops for a brief time. A person will have stroke-like symptoms for up to 24 hours. In most cases, the symptoms last for 1 to 2 hours. […] A TIA diagnosis may be made based on your medical history alone. […] While the symptoms and signs of a TIA may go away by the time you get to the hospital, it is important to be evaluated right away. […] Tests will be done to rule out a stroke or other disorders that may cause the symptoms: You will likely have a head CT scan or brain MRI. A stroke may show changes on these tests, but TIAs will not. […] If you have had a TIA within the last 48 hours, you will likely be admitted to the hospital so that doctors can search for the cause and monitor you. […] A TIA is a medical emergency. Call 911 or the local emergency number right away. Do not ignore symptoms just because they go away. They may be a warning of a future stroke.

• #20 2025 ICD-10-CM Diagnosis Code G45.9: Transient cerebral ischemic attack, unspecified

  https://www.icd10data.com/ICD10CM/Codes/G00-G99/G40-G47/G45-/G45.9

  G45.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. […] TIA is applicable to G45.9. […] A transient ischemic attack (TIA) is a stroke that comes and goes quickly. It happens when the blood supply to part of the brain stops briefly. Symptoms of a TIA are like other stroke symptoms, but do not last as long. […] TIA is often a warning sign for future strokes. Taking medicine, such as blood thinners, may reduce your risk of a stroke. […] Brief reversible episodes of focal, nonconvulsive ischemic dysfunction of the brain having a duration of less than 24 hours, and usually less than one hour, caused by transient thrombotic or embolic blood vessel occlusion or stenosis. […] Recurring, transient episodes of neurologic dysfunction caused by cerebral ischemia; onset is usually sudden, often when the patient is active; the attack may last a few seconds to several hours; neurologic symptoms depend on the artery involved.

• #21 Transient Ischemic Attack Workup: Approach Considerations, Laboratory Studies, Noncontrast Cranial Computed Tomography

  https://emedicine.medscape.com/article/1910519-workup

  The cerebral vasculature should be imaged on an urgent basis, preferably at the same time as the brain. Brain imaging can identify an area of ischemia in as many as 25% of patients, and TIA mimics may be identified as well. Vessel imaging can identify a stenosis or occlusion that may warrant early intervention. […] Electroencephalography (EEG) may be indicated to evaluate for seizure activity. Lumbar puncture (LP) may be indicated if subarachnoid hemorrhage, central nervous system (CNS) infection, or demyelinating disease is to be excluded. […] MRI is more sensitive than CT for acute ischemia, infarction, previous intracranial bleeding, and other underlying lesions; however, it is less widely available on an acute basis than CT is. […] The presence of ischemic lesions on MRI appears to increase the short-term risk of stroke, a finding that highlights the value of this modality in acute risk stratification.

• #22 Diagnostic criteria for transient ischemic attacks and the challenges facing accurate diagnosis – VJNeurology

  https://www.vjneurology.com/video/v_edv6dvexu-diagnostic-criteria-for-transient-ischemic-attacks-and-the-challenges-facing-accurate-diagnosis/

  Then like five, seven, eight years ago, some new criteria were published in the US based on the fact that we realized that often you can see in people with clinical TIA with complete remission, at least if they see the neurologist within 24 hours, that they actually have a lesion, a DWI lesion if you do an MRI scan. And so, they set up a new tissue-based criteria, which included if there was a DWI lesion, then this was no longer a TIA because then there was an infarction on the scan. So that a TIA would be neurological symptoms originating from one vascular territory, leaving no trace behind on the MRI scan. […] This makes a lot of sense. This is about looking at what happens on imaging and testing, especially for doctors, we love to see our clinical impression, the patient history confirmed by something that you can actually see and measure. In that way, its good, but what is really complicated, and thats still the same problem, are those with no MRI signs, because there is certainly evidence that these might have as poor a prognosis as those who do have a DWI lesion.

• #23 Transient ischaemic attack – Symptoms, diagnosis and treatment | BMJ Best Practice

  https://bestpractice.bmj.com/topics/en-gb/107

  A TIA is a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischaemia, without acute infarction. […] The definitions of TIA and ischaemic stroke are now ’tissue-based’ rather than defined by the duration of neurological dysfunction: there is no ischaemic lesion visible on brain imaging in a patient with TIA. An ischaemic brain lesion on brain imaging, even if a patient’s episode of focal neurological dysfunction rapidly resolves, signifies an ischaemic stroke. […] Key diagnostic factors include sudden onset and brief duration of symptoms (minutes) and patient/witness report of focal neurological deficit. […] 1st investigations to order include blood glucose, full blood count and platelet count, prothrombin time, INR, partial thromboplastin time, fasting lipid profile, serum electrolytes, and ECG. […] Investigations to consider include CT scan.

• #24 Transient Ischemic Attack (TIA) – Neurologic Disorders – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/neurologic-disorders/stroke/transient-ischemic-attack-tia

  A transient ischemic attack (TIA) is focal brain ischemia that causes sudden, transient neurologic deficits and is not accompanied by permanent brain infarction (eg, negative results on diffusion-weighted MRI). Diagnosis is clinical. […] Transient ischemic attacks are diagnosed retrospectively when sudden neurologic deficits referable to ischemia in an arterial territory resolve within 1 hour. […] Because an infarct, a small hemorrhage, and even a mass lesion cannot be excluded clinically, neuroimaging is required. […] All patients who have had a TIA require CT angiography, magnetic resonance angiography (MRA), or diffusion-weighted MRI of the carotid and cerebral circulation.

• #25 Transient Ischemic Attack (TIA)

  https://www.webmd.com/stroke/what-to-know-about-a-transient-ischemic-attack-tia

  Echocardiography. This tool allows your doctor to look clearly at possible causes, like blood clots, through an ultrasound image. […] Arteriography. This helps your doctor look at arteries in your brain that usually aren’t seen on an X-ray. Your doctor will put a thin tube (catheter) in a small cut in your leg. The tube is moved to the brain, where it injects dye to get a better view of the brain on an X-ray.

• #26 Transient Ischemic Attack Workup: Approach Considerations, Laboratory Studies, Noncontrast Cranial Computed Tomography

  https://emedicine.medscape.com/article/1910519-workup

  Vascular imaging for TIA includes Doppler ultrasonography, CT angiography (CTA), and magnetic resonance angiography (MRA). CTA is of increasing value in identifying occlusive disease in the cerebrovascular circulation. […] Transthoracic (TTE) or transesophageal echocardiography (TEE) can evaluate for a cardioembolic source or for risk factors such as patent foramen ovale. A 12-lead ECG should be performed as soon as possible after TIA to evaluate for dysrhythmias such as atrial fibrillation. […] Some patients present to the emergency department with a transient neurologic disturbance that does not represent a true TIA, and distinguishing between such disturbances and TIAs can be difficult for the busy practitioner. […] A number of risk stratification scores are available to assist in this task, but the most widely validated is the ABCD2 score.

• #27 Transient Ischemic Attack (TIA) | American Stroke Association

  https://www.stroke.org/en/about-stroke/types-of-stroke/tia-transient-ischemic-attack

  Some signs of TIAs are only visible with hospital equipment, so trained medical staff need to evaluate the patient’s condition. Appropriate medical care may include: Assessing Vital Signs and Testing Brain Function, Imaging and Tests, Medical History. […] Referring a patient to a specialist is sometimes appropriate. When a TIA occurs with no clear risk factors for stroke, a neurologist may do test to rule out vasculitis, carotid artery dissection and other types of injury or infection. […] A new American Heart Association scientific statement discusses rapid evaluation for transient ischemic attack (TIA) due to high risk of future stroke. […] The immediate consequences of TIA are fairly benign. But these “warning strokes” often foreshadow a full-blown stroke. The statistics tell the story: ~240,000 people in the United States experience a TIA every year. Nearly 1 in 5 people who have a suspected TIA will have a stroke within 90 days, and 2 in 5, when given the appropriate scan, will learn that they actually had a stroke instead of a TIA. […] TIA symptoms can mimic other neurological symptoms, so it’s best to get a detailed evaluation by a health care professional.

• #28 Transient Ischemic Attack (TIA) » Department of Neurology » College of Medicine » University of Florida

  https://neurology.ufl.edu/patient-care/strokepatients/additional-information/transient-ischemic-attack-tia/

  Many disorders have symptoms similar to those of transient ischemic attacks, such as seizures, tumors, migraines or abnormal blood sugar levels. […] While sudden neurologic symptoms suggest clues about which area of the brain is affected, careful evaluation is necessary. Tools like computed tomography (CT) or magnetic resonance imaging (MRI) scans, which are useful in diagnosing a stroke where there is brain damage, are not useful for diagnosing transient ischemic attacks where there is no permanent brain damage. […] If the blockage occurs in one or both carotid arteries, several techniques can be used to confirm transient ischemic attacks. […] Diagnostic techniques include: […] An MRI scan or cerebral angiography can be done if there is a severe narrowing of the artery. In a cerebral angiography, a fluid is injected into an artery while X-rays of the head and neck are taken.

• #29 Transient Ischemic Attack: Practice Essentials, Background, Pathophysiology

  https://emedicine.medscape.com/article/1910519-overview

  A transient ischemic attack (TIA) is a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischemia, without acute infarction. […] It is important to rule out other causes, such as metabolic or drug-induced etiologies, which can present with symptoms similar to that of TIA. The following tests are considered on an emergency basis: A fingerstick blood glucose for hypoglycemia, Complete blood count, Serum electrolyte levels, Coagulation studies, 12-lead electrocardiogram (ECG) with rhythm strip. […] Imaging of the brain should be performed within 24 hours of symptom onset, as follows: Magnetic resonance imaging (MRI) with diffusion-weighted imaging (preferred), Noncontrast computed tomography (CT; ordered if MRI is not available). […] The cerebral vasculature should be imaged urgently, preferably at the same time as the brain. Vascular imaging for TIA includes the following: Carotid Doppler ultrasonography of the neck, CT angiography (CTA), Magnetic resonance angiography (MRA). […] The following should be done urgently in patients with TIA: Evaluation, Risk stratification (eg, with the California or ABCD score), Initiation of stroke prevention therapy. […] Antithrombotic therapy should be initiated as soon as intracranial hemorrhage has been ruled out.

• #30

  https://bpac.org.nz/bpj/2011/october/tia.aspx

  The best method of diagnosing TIA is an accurate description of the event provided by the patient, as soon as possible after it has occurred. […] A diagnosis of TIA is more likely if the history includes: Sudden and discernible onset of symptoms, Neurological deficits maximal at onset, Loss of function, Rapid recovery (usually 30 60 minutes). […] Typically, symptoms of TIA are negative and involve loss of localised neurological function (e.g. loss of sensation, vision or power). […] Administer aspirin, statin and antihypertensive treatment immediately after symptoms have resolved unless contraindicated. […] All patients presenting to primary care with suspected TIA should have an assessment of stroke risk using the ABCD2 tool. […] Referral for assessment is usually required in order to eliminate possible TIA mimics (e.g. subdural haematoma or brain tumour), to gain timely access to investigations and to assist in the development of a long-term treatment plan for secondary stroke prevention.

• #31 Blood Biomarkers Do Not Hasten Diagnosis of Transient Ischemic Attacks – Clinical Advisor

  https://www.clinicaladvisor.com/news/blood-biomarkers-do-not-hasten-diagnosis-of-transient-ischemic-attacks/

  Currently available blood biomarkers are not ready to replace clinical signs and symptoms in the diagnosis of transient ischemic attack. […] Blood biomarkers currently do not have diagnostic value for patients with suspected transient ischemic attack (TIA), indicating that the sudden onset of symptoms and onset in full intensity are still the most valuable clinical predictors of TIA and minor stroke, according to study results published in BMJ Open. […] Of the 7 biomarkers included in the analysis, none of them was valuable in TIA diagnosis, with C-statistics between 0.45 and 0.58, which did not increase with the addition of each biomarker. […] A total of 8 clinical predictors, including increasing age, a history of coronary artery disease, sudden onset of symptoms, occurrence of symptoms in full intensity, dysarthria, no history of migraine, absence of loss of consciousness, and absence of headache, made up the final multivariable model with a C-statistic of 0.83.

• #32 Diagnosis of TIA (DOT) score – design and validation of a new clinical diagnostic tool for transient ischaemic attack | BMC Neurology | Full Text

  https://bmcneurol.biomedcentral.com/articles/10.1186/s12883-016-0535-1

  The diagnosis of Transient Ischaemic Attack (TIA) can be difficult and 5060 % of patients seen in TIA clinics turn out to be mimics. […] A TIA diagnostic tool may help non-specialists make the diagnosis with greater accuracy and improve TIA clinic triage. […] The Diagnosis of TIA (DOT) Score is a new and internally validated web and mobile app based diagnostic tool which encompasses both brain and retinal TIA. […] The DOT score shows promise as a diagnostic tool for TIA and requires independent external validation before it can be widely used. […] The DOT score is a new TIA diagnostic tool which performed well in comparison to the Dawson score when applied to the validation dataset. […] This suggests, in keeping with a recent meta-analysis, that clinic triage based on non-specialist use of the ABCD2 score could be improved by the use of a diagnostic score to enable quicker assessment of patients with a higher a priori probability of TIA or minor stroke. […] In conclusion, the DOT score shows promise as an useful tool for the diagnosis of TIA which will require external validation before it can be widely used.

• #33 Biomarkers for Transient Ischemic Attack: A Brief Perspective of Current Reports and Future Horizons

  https://www.mdpi.com/2077-0383/11/4/1046

  Cerebrovascular disease is the leading cause of long-term disability in the world and the third-leading cause of death in the United States. The early diagnosis of transient ischemic attack (TIA) is of great importance for reducing the mortality and morbidity of cerebrovascular diseases. […] The diagnosis of TIA remains a clinical diagnosis that highly relies on the patient’s medical history assessment. […] A possible solution to the diagnostic difficulties in TIA could be an addition of serum or imaging biomarkers, or a combination of biomarkers that can reliably assist in the diagnosis of transient brain ischemia. […] In this systematic review, we evaluated the potential biomarkers and their validity for TIA diagnosis. […] We consider that a diagnostic panel for TIA should have a high positive and negative predictive value and should be able to detect the event up to several days after the transient symptoms.

• #34 Biomarkers for Transient Ischemic Attack: A Brief Perspective of Current Reports and Future Horizons

  https://www.mdpi.com/2077-0383/11/4/1046

  For now, TIA remains a clinical diagnosis that highly relies on the patient’s medical history assessment; however, several imaging and laboratory biomarkers can further narrow down the diagnosis and exclude TIA mimics. […] None of the current candidate biomarkers are reliable enough to replace DW-MRI for ischemia. We believe that imaging will remain as the most helpful diagnostic and prognostic tool among patients with cerebral ischemia; however, imaging can be combined with novel clinical and serum biomarkers to further characterize the event, measure the severity of ischemia and differentiate or define a transient event. […] In conclusion, none of the evaluated biomarkers can be recommended for TIA diagnosis. Clinical diagnostic models, biomarkers related to neuroimaging, and a panel of genes are better than a single biomarker. However, we believe more studies related to diagnostic panels that combine imaging, serum, clinical and other novel biomarkers should be considered in the future.

• #35 Diagnostic criteria for transient ischemic attacks and the challenges facing accurate diagnosis – VJNeurology

  https://www.vjneurology.com/video/v_edv6dvexu-diagnostic-criteria-for-transient-ischemic-attacks-and-the-challenges-facing-accurate-diagnosis/

  Hanne Christensen, MD, PhD, MSci, from the University of Copenhagen, Copenhagen, Denmark, discusses current diagnostic criteria and the difficulties faced by clinicians in diagnosing transient ischemic attacks (TIAs). Traditional definitions of a TIA assume that rapid symptom resolution is indicative of a transient ischemic insult. For example, the World Health Organization (WHO) criteria for diagnosing a TIA is based on a rapidly developed focal neurological deficit, with symptoms of less than 24 hours and no apparent non-vascular cause. However, updated criteria from the American Heart Association published in 2009 recommended a tissue-based approach, necessitating the absence of infarction on brain imaging in addition to symptom resolution for a TIA diagnosis. This change was based on the observation that MRI with DWI demonstrates lesions in ~40% of patients presenting with TIA symptoms, and DWI positivity is associated with a 6-fold increased risk of recurrent stroke at 1 year. […] Recorded at the 9th Congress of the European Academy of Neurology (EAN) 2023 held in Budapest, Hungary.

• #36 Initial evaluation and management of transient ischemic attack and minor ischemic stroke – UpToDate

  https://www.uptodate.com/contents/initial-evaluation-and-management-of-transient-ischemic-attack-and-minor-ischemic-stroke

  Initial evaluation and management of transient ischemic attack and minor ischemic stroke […] Patients with transient ischemic attack (TIA) or minor (ie, nondisabling) stroke are at increased risk of recurrent stroke and therefore require urgent evaluation and treatment since immediate intervention may substantially reduce the risk of recurrent stroke. […] This topic will review the diagnostic approach and early management of TIA and minor, nondisabling ischemic stroke. […] Clinical diagnosis of TIA and minor stroke — The diagnosis of TIA (in the absence of tissue infarction) is clinical and is based upon a determination that the symptoms of the attack are more likely caused by brain ischemia than another cause.

• #37 Diagnostic Criteria for Transient Ischemic Attack (TIA) – MedicalCRITERIA.com

  https://medicalcriteria.com/web/transient-ischemic-attack/

  The diagnosis of transient ischemic attack (TIA) can be notoriously difficult, mainly because it is often solely based on history taking. Patients suspected of a TIA require an urgent assessment with timely start of antithrombotic therapy to reduce the risk of an early ischemic stroke. […] A. Sudden onset of fully reversible neurological or retinal symptoms (typically hemiparesis, hemihypesthesia, aphasia, neglect, amaurosis fugax, hemianopsia, or hemiataxia) […] E. No evidence of acute infarction in the relevant area on neuroimaging. […] Definite TIA: Focal cerebral or retinal symptoms lasting for seconds or minutes and typically lasting 1 hr. […] Possible TIA: When combined, at least two of these symptoms suggest definite TIA; when isolated, they suggest possible TIA. […] Usually not a TIA: Bizarre spells or isolated atypical symptoms are nonfocal or not clearly focal transient neurologic events for which the type of onset, topography, and course of symptoms do not fulfill the criteria for definite or possible TIA or another definite or possible neurologic syndrome (e.g., epilepsy or migraine).

• #38 Diagnostic criteria for transient ischemic attack | Lebedeva | Neurology, Neuropsychiatry, Psychosomatics

  https://nnp.ima-press.net/nnp/article/view/878?locale=en_US

  The diagnosis of transient ischemic attack (TIA) is fraught with problems; particularly this concerns the differentiation of TIA with its mimicking conditions. Explicit diagnostic criteria can improve the accuracy of TIA recognition. The authors of this paper propose new TIA diagnostic criteria […] TIA diagnostic criteria were developed using the International Classification of Headache Disorders (ICHD) and the data available in the literature on migraine with aura and on the clinical characteristics and diagnosis of TIA. The sensitivity of the criteria was tested in a prospective study of 120 patients who developed TIA before the elaboration of these criteria. […] The sensitivity of the proposed criteria in TIA patients was 99%. The specificity in the Danish and Russian patients with migraine with aura was 95% and 96%, respectively. […] The new TIA diagnostic criteria are characterized by high sensitivity and specificity. These will be able to improve the diagnosis of TIA. It is recommended that the testing of these criteria in patients with TIA should be continued in future investigations.

• #39 Transient Ischemic Attack | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/transient-ischemic-attack

  Transient ischemic attacks (TIAs) are temporary deficits in neurologic function caused by a brief interruption of blood flow to part of the brain. […] Your childs physician may use a number of procedures to diagnose a transient ischemic attack (TIA): […] Imaging of the brain and blood vessels in the head and neck using MRI (magnetic resonance imaging), CT (computed tomography) and catheter angiography protocols designed here at Boston Childrens […] A cardiology evaluation to look at the heart for cardiac conditions that could lead to TIA […] Blood tests, including a panel of tests associated with bleeding or clotting disorders (thrombophilia testing), inflammatory disorders or metabolic disorders […] Genetic studies to look for hereditary risk factors for blood clots […] A transcranial ultrasound assessment to assess blood flow in the brain.

• #40 Transient ischemic attack – Wikipedia

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

  Without treatment, the risk of an ischemic stroke in the three months after a TIA is about 20% with the greatest risk occurring within two days of the TIA. […] Treatment and preventative measures after a TIA (for example treating elevated blood pressure) can reduce the subsequent risk of an ischemic stroke by about 80%.

• #41 TIA diagnosis and treatment | Stroke Association

  https://www.stroke.org.uk/stroke/type/tia/diagnosis-and-treatment

  If you think you have had a transient ischaemic attack, its vital to seek urgent medical help right away to get a diagnosis and treatment. Always call 999 if you experience any symptoms of TIA. […] A health professional will assess you and ask you about what happened. If a TIA is suspected, you will be given aspirin to reduce the risk of a stroke, unless there is a medical reason why you cannot take aspirin. […] You should be referred to see a specialist doctor or nurse within 24 hours of your symptoms. Your appointment with a specialist might be at a TIA clinic or in a hospital stroke unit. […] The most important information for confirming a TIA is your story about the symptoms and when they happened. You might find it helpful to have a family member with you to help with the story.

• #42 Transient Ischemic Attack (TIA) Treatment and Diagnosis | Brown University Health

  https://www.lifespan.org/centers-services/comprehensive-stroke-center-rhode-island-hospital/tia-eval-treatment

  Patients who arrive in the TIA unit with suspected TIA are immediately evaluated by a team of providers. […] The focus is on differentiating a TIA from stroke or other conditions with symptoms that are the same as or similar to stroke. […] We obtain a history of the onset of symptoms, examine the patient, use neuroimaging to examine the brain and its blood vessels, and perform an evaluation of the heart. […] The resulting diagnosis allows us to quickly ascertain clinical risk criteria to identify patients at highest and lowest risk of stroke. […] Those experiencing a TIA are treated immediately with medication, and then monitored for 24 hours in the unit. […] Advanced neuroimaging (most often MRI) within 24 hours of symptom onset. […] The Andrew F. Anderson Emergency Center has an MRI system located within the center, which facilitates prompt screening of patients with suspected TIA.

• #43 The Effects of a “Transient Ischemic Attack Unit” on the Early Diagnosis and Treatment of Stroke and Other Vascular Events | 2023, Volume 29 – Issue 1 | Turkish Journal of Neurology

  https://tjn.org.tr/full-text/52/eng

  Identifying the etiology and early treatment following a transient ischemic attack (TIA) or minor stroke may prevent patients from having a disabling ischemic stroke. […] The rapid determination of the etiology of the TIA and early treatment may prevent patients from having a future disabling ischemic stroke after a TIA. […] The primary aim of this study is to increase awareness of TIA and minor stroke symptoms via brochures, posters, and presentations to healthcare professionals to ensure early intervention within 72 hours of a TIA or minor stroke patient being admitted to the TIA unit of the hospital. […] The distinguishing feature of the TIA unit compared with the stroke unit was that patients with transient neurological symptoms could reach MA by phone 24 hours a day, seven days a week, and the diagnostic and etiologic workup was completed within 72 hours for those patients whose complaints were compatible with a TIA or minor ischemic stroke.

• #44 Transient Ischemic Attack Outpatient Clinic: Past Journey and Future Adventure

  https://www.mdpi.com/2077-0383/12/13/4511

  Multiple clinical scoring systems, such as ABCD2, imaging modalities, or a combination of different strategies have been suggested to increase the efficacy of TIA diagnosis versus its mimics. […] While the concept of TIA may evolve over time, the need for prompt and accurate diagnosis and management of patients with TIA-like symptoms remains a critical component of neurologic care. […] Rapid-access outpatient clinics are promising models to mitigate the length of hospital stays and total cost to the health system. […] However, the cost of maintaining the clinic with trained staff and on-site facilities should be considered in centers with fewer patient referrals. […] Although earlier models of TIA clinics were concerning for a high rate of stroke and other major complications after the index TIA, our recent study offered a comparable risk of subsequent stroke among patients with minor cerebral ischemia who were treated in an outpatient setting compared to hospitalized patients.

• #45 Stroke vs. TIA or Ministroke: How Do They Differ?

  https://www.healthline.com/health/stroke/stroke-vs-tia

  The symptoms of a TIA (also known as a ministroke) usually pass quickly. However, the symptoms should still be taken seriously as a TIA can be a potential warning sign of a more serious stroke in the future. […] A transient ischemic attack (TIA) happens when the blood supply to part of the brain is briefly disrupted. With a TIA, you typically experience specific neurologic symptoms for less than 24 hours, although symptoms often go away within an hour. Also, with a TIA, there will be no evidence of blood vessel obstruction on brain imaging tests. […] A TIA is considered a major risk factor for a stroke. […] A 2017 review suggests that with proper evaluation and treatment of a TIA, and the adoption of a health-promoting lifestyle, you may be able to reduce your risk of a post-TIA stroke by as much as 80%. […] Getting immediate medical attention for a TIA helps doctors diagnose the underlying cause and prescribe the appropriate treatment. This can help reduce your risk of a more serious stroke down the road.

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