Introduction to Stroke and the Stroke Care Unit

A stroke, or cerebrovascular accident (CVA), occurs when blood flow to part of the brain is interrupted or obstructed, depriving brain tissue of oxygen and essential nutrients. This interruption causes injury or death of brain cells and may produce temporary or permanent symptoms depending on the severity of the stroke. Stroke is a medical emergency, and immediate medical treatment is essential. Rapid emergency care can reduce brain damage and other stroke-related complications.

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