What is a Stroke?

A stroke is a medical emergency that occurs when the blood supply to the brain is disrupted, leading to brain cell damage or death. It can have severe and lasting effects on a person’s physical and cognitive abilities. There are three main types of stroke:

1. Ischemic Stroke:

This is the most common type of stroke, accounting for about 85% of cases. It occurs when a blood clot blocks or narrows a blood vessel in the brain, restricting blood flow to the affected area.

2. Hemorrhagic Stroke:

This type of stroke happens when a blood vessel in the brain ruptures and causes bleeding. It can be caused by conditions such as high blood pressure, aneurysms or arteriovenous malformations (AVMs).

3. Transient Ischemic Attack (TIA)

Also known as a “mini-stroke,” a TIA is a temporary disruption of blood flow to the brain.

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