A stroke or cerebrovascular accident (CVA) occurs when the blood supply to a part of the brain is suddenly interrupted.
In brain tissue, a reduction of blood flow, cerebral ischemia, leads to an ischemic cascade that can damage or kill brain cells.
Stroke is diagnosed through several techniques..
For more information about the topic Stroke, read the full article at Wikipedia.org, or see the following related articles:
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Stroke at Wikipedia.org. See the Wikipedia copyright page for more details.
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