Symptoms and Signs of Transient Ischemic Attack - Oren Zarif - Transient Ischemic Attack
Transient ischemic attack (TIA) is a neurological condition characterized by focal, sudden onset of symptoms and complete resolution of symptoms within 24 hours. Epidemiologic research has provided a useful definition of TIA, but agreement on individual cases has been variable. More recent findings suggest that TIA may be associated with persistent deficits due to subtle changes in brain structure and function. This article describes some of the symptoms and signs of TIA.
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While transient ischemic attacks don't usually result in long-term disabilities, they can serve as warning signs for other underlying conditions. For example, the symptoms of transient ischemic attack may be a sign of a future stroke or other heart problem. For these reasons, it's vital to get immediate medical attention. Although transient ischemic attacks are usually not life-threatening, they are always important to treat as quickly as possible.
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The causes of TIA vary, but most occur as a result of a narrowing of a major artery that supplies blood to the brain. One of the major arteries, the carotid artery, provides oxygenated blood to brain cells. However, if it becomes clogged with plaque, it can eventually become blocked, partially or completely. In this case, the clot may travel down a smaller branch of the artery and block blood flow to the area of the brain fed by that artery.
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Treatment for transient ischemic attack should follow evidence-based guidelines published by the American College of Chest Physicians. Depending on the type of transient ischemic attack, the condition may require multiple treatments. In addition to medications, lifestyle changes may be necessary for the best outcomes. A good treatment plan will include a combination of medications, lifestyle changes, and therapy. Once you've determined what's the best course of action, you can work on preventing the onset of TIAs.
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TIA is not dangerous, but it can be a warning sign for a full-blown stroke. Treatment for TIA varies, but may include lifestyle changes, medication, or surgery. If you suspect you've had a transient ischemic attack, see your doctor right away. The symptoms of TIA are almost identical to those of a stroke, so recognizing the difference is essential. If TIA symptoms continue, you should call 911.
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The classic definition of TIA is a sudden, isolated neurologic deficit of the brain. The affected area is perfused by a specific artery. The symptoms of a TIA are usually a temporary loss of vision, slurred speech, and weakness of the face. Most TIAs resolve within an hour or so. If left untreated, however, TIAs can lead to a stroke.
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Despite its widespread misdiagnosis, TIAs do not usually cause permanent damage. If you experience a TIA, your doctor may prescribe anticoagulants, antiplatelet drugs, and carotid endarterectomy to reduce the risk of a permanent stroke. Most symptoms of TIA last less than five minutes, and the onset of infarction is unlikely to persist for more than an hour.
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Symptoms of a ministroke are similar to those of an ischemic stroke, the more common type of stroke. If you experience arm numbness or weakness, or notice your arm dipping down or not holding steady, seek emergency medical attention. A stroke is a life-threatening emergency, and if you experience any of these symptoms, seek medical attention immediately. Your doctor may have diagnosed you with a stroke, and will be able to determine the exact cause of your symptoms and suggest treatment.