Stroke

What is a Stroke?

A stroke or "brain attack" occurs when a blood clot blocks an artery (a blood vessel that carries blood from the heart to the body) or a blood vessel (a tube through which the blood moves through the body) breaks, interrupting blood flow to an area of the brain.  When either of these things happen, brain cells begin to die and brain damage occurs.

When brain cells die during a stroke, abilities controlled by that area of the brain are lost.  These abilities include speech, movement and memory.  How a stroke patient is affected depends on where the stroke occurs in the brain and how much the brain is damaged.

For example, someone who has a small stroke may experience only minor problems such as weakness of an arm or leg.  People who have larger strokes may be paralyzed on one side or lose their ability to speak.  Some people recover completely from strokes, but more than 2/3 of survivors will have some type of disability.

Use FAST to remember the warning signs:

TAKE ACTION FOR EACH TIME WHEN ANY SYMPTOMS FIRST APPEAR. If given within three hours of the first symptom, there is an FDA-approved clot-buster medication that may reduce long-term disability for the most common type of stroke. There are also two other types of stroke treatment available that might help reduce the effects of stroke. Read more about stroke treatment.

Learn as many stroke symptoms as possible so you can recognize stroke as FAST as possible.

Stroke symptoms include:

• SUDDEN numbness or weakness of face, arm or leg - especially on one side of the body.
• SUDDEN confusion, trouble speaking or understanding.
• SUDDEN trouble seeing in one or both eyes.
• SUDDEN trouble walking, dizziness, loss of balance or coordination.
• SUDDEN severe headache with no known cause.

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