Doctor insights on:
Cerebral Ischemia Signs And Symptoms
Do I need to look at how long the symptoms of neurological deficit lasted in cerebral ischemia to know whether this is a TIA or a ischemic stroke?
Durations: A typical transient ischemic attack lasts about 20-30 minutes in general, but some might be a bit longer. Yet, if the symptoms persist over 24 hrs, almost certainly a stroke and may be visualized on an MRI. Generically, both should be treated in a preventative fashion to curtail recurrence. ...Read moreSee 2 more doctor answers
Ischemia is a symptom in which a person does not have enough blood supply to a part of the body, making that part of the body "ischemic". For example, in a heart attack, a coronary artery is blocked so blood cannot get to the heart muscle beyond the blockage point. The heart muscle lacking ...Read more
Poor blood flow: Inadequate blood flow to lower part of brain. It can improve with controlling BP & cholesterol, medications such as Aspirin and plavix, (clopidogrel) smoking cessation, heart healthy diet and exercise. Clot buster medication may be used within 90 minutes of an acute stroke and rarely angioplasty. ...Read more
Depends: Well unstable compared to whom. If you have recovered, we ordinarily would say you are stable but anytime a person has had ischemia, they are more likely to get a recurrence than a well person. And what is the ischemia secondary to would be an important question. Has the cause underlying the ischemia been corrected? ...Read moreSee 2 more doctor answers
Decreased blood flow: The classic is transient ischemic attack (tia), brief decreased blood flow to a small area of brain which can be the first sign of stroke risk. Blood flow issues may play a minor role in migraine, and low blood pressure may diffusely drop cerebral blood flow. Treat the many risks, diabetes, hypertension, high blood fats, hyperhomocysteinemia, carotid stenosis. Anti-platelet drugs protect. ...Read more
So complicated: In short, no - migraines are not a hypoperfusive state. The old (not correct) understanding in fact was based on the observation that blood flow often increases with migraines. Like all things in the body, our understanding now is much more complicated. There's a complex interaction between the neurons (primary problem) and the vessels and surrounding structures (secondary). ...Read more
You mean a TIA: Transient ischemic attack (TIA) is often called a "mini-stroke, " and is considered a harbinger for a full-blown stroke. It can occur as a result of a narrowing in the carotid arteries. Unlike a stroke, TIA symptoms last anywhere from 15 minutes to 24 hours. Typically can present with blindness to one eye, paralysis, or slurred speech. You should see a vascular surgeon immediately. ...Read moreSee 1 more doctor answer
Prevention: After a TIA or even stroke, the next greatest risk, over next year is another stroke. The protocol often used includes aggenox and lipitor (atorvastatin). Need to make sure however, that you do not have carotid stenosis, and that hypertension, diabetes, high lipids, high homocysteine, all well controlled. Also, may sure that heart is not a primary source for a secondary stroke. Tpa deals with acute ischemia. ...Read moreSee 2 more doctor answers
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