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A stroke occurs when blood supply to the brain is interrupted, leading to brain cell damage and loss of function. There are two main types of strokes: ischemic strokes, which account for approximately 87% of cases and arise from blood clots blocking blood flow, and hemorrhagic strokes, which result from a burst blood vessel or aneurysm in the brain. Both types of strokes require immediate medical intervention, as brain cells begin to die within minutes of reduced blood flow.
Recognizing Stroke Symptoms: The F.A.S.T. Method
The F.A.S.T. acronym is a mnemonic device to help people remember the key signs of a stroke: