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A 39-year-old member asked:

what are "mini strokes"?

5 doctor answers12 doctors weighed in
Dr. Nalinaksha Joshi
Neurology 23 years experience
Small stroke: Mini stroke usually means small stroke on imaging studies like mri. It is a misnomer. As size may not reflect the severity of deficits. Some lacunae stroke though small in size can produce complete paralysis. Generally it is meant to be in small in size and not producing significant disability.
Dr. Michael Korona
Interventional Radiology 33 years experience
TIA's: See stroke.Org for info. These are a warning for bigger strokes.
Dr. Amar Dalsania
Hospital-based practice 16 years experience
TIA: Mini strokes are known as transient ischemia attacks (TIA's). They are transient neurological events that can behave like a stroke (slurred speech, facial droop, weakness, etc) but have no permanent effects like a stroke. However, a TIA is like a warning sign and efforts to reduce your risk of an actual stroke should be undertaken.
Dr. Bennett Machanic
Neurology 52 years experience
TIA's: Usually the term implies transient disruptions of cerebral circulation without permanent death of brain tissue, but we could also apply this to very small lacunar infarcts secondary to very small blood vessels getting blocked.
Dr. Olav Jaren
Neurology 19 years experience
Mini stroke = TIA: A mini stroke, or TIA, is a stroke - a stroke with symptoms lasting less than 24 hours. This could be weakness of an arm or leg, numbness of the face, arm and leg, double vision, etc. A mini stroke or TIA cannot be determined by testing, it is a clinical diagnosis. The cause of a TIA is the same as for a regular stroke. Blood pressure and smoking are important risk factors.

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