Cerebrovascular Accident (CVA), more commonly known as a stroke, is a sudden interruption of blood flow in a vessel that supplies the brain. Strokes are the third leading cause of death worldwide; 600,000 strokes occur in the U.S. each year (Taber's 2069). CVA is the most serious type of stroke. A transient ischemic attack (TIA), also known as a mini-stroke, is a temporary interruption of blood flow to the brain. This type of stroke is most commonly a blood clot or thrombus that quickly breaks apart or becomes dislodged (Butler 419).
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