Stroke: Timely intervention is crucial

A STROKE is a medical emergency. It needs to be treated promptly to improve a patient's chance of survival and lower the risk of long-term brain damage. It occurs when blood supply to part of the brain is interrupted or reduced. In 85 per cent of cases, this occurs because of a clot in a blood vessel that cuts off supply to a region of the brain. This prevents brain tissue from getting oxygen and nutrients and brain cells begin to die in minutes. The severity of a stroke depends on which blood vessels are affected. If there is a block in one of the main arteries that supplies blood and nutrients to the brain, there is widespread damage and severe loss of function. Doctors often call a stroke a "brain attack" because it is similar to a...

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