Body and Health Info

s p o n s o r e d l i n k s

A stroke (brain attack) happens when a blood vessel (artery) that brings blood to the brain is blocked or has burst. The lack of blood flow causes the brain cells to die. After a stroke, some body functions may be lost, like speech or movement in parts of the body. This depends on two things:

• which part of the brain was damaged
• how severe the attack was

Stroke is the third leading cause of death in the United States after heart disease and cancer, and is the leading cause of serious and long-term disability.

There are two types of strokes, ischemic and hemorrhagic.

1. Ischemic strokes: make up about 80% of all strokes. Ischemic strokes happen when the blood supply to the brain is blocked. There are two main types of ischemic strokes:

a. Thrombotic strokes: are the most common type of strokes. These strokes are caused by a blood clot (thrombus) in an artery that blocks blood flow to a part of the brain. These blood clots usually form in arteries damaged by atherosclerosis, or plaque.

b. Embolic strokes: are caused by a clot (embolus) that moves around. The clot forms in another part of your body (usually in the heart or neck) which clogs an artery.

2. Hemorrhagic strokes: make up about 20% of all strokes. Hemorrhagic strokes happen when an artery bursts, causing bleeding in the skull. There are two types of hemorrhagic strokes:

a. Intracerebral hemorrhage: bleeding happens inside the brain.

b. Subarachnoid hemorrhage: bleeding happens on the surface of the brain, in the subarachnoid space (between the brain and the skull). Bleeding is usually caused by an aneurysm (a blood-filled pouch that expands out from an artery wall) that has burst or arteriovenous malformation (AVM, a tangle of blood vessels that is present when you are born).

To get more details about caring stroke in hospital and at home, you can download guide book below:

Download Stroke (Brain Attack): Your Care in the Hospital and at Home

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