The Medical Minute: Stroke awareness

A stroke is sudden brain injury caused by a sudden vascular (blood vessel) compromise. There are two major types of strokes. An ischemic stroke occurs when blood flow to a part of the brain is blocked by clot or other debris. This is the most common type, comprising approximately 85 percent of all strokes. The other type, hemorrhagic stroke, occurs when a blood vessel or aneurysm ruptures and blood spreads in and around the brain. Strokes can be mild, or can be quite disabling, even fatal, depending on the brain area involved and the type of stroke.

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