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مطالب اینترنتی انگلیسی برای مطالعه شخصی
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ادامه مطلب
A stroke is a loss of blood flow in the brain. There are two kinds of stroke. One is an ischemic stroke. It happens when a blood vessel in the brain gets blocked. The other kind is called a hemorrhagic, or bleeding, stroke. This happens when a blood vessel breaks.
![[insert caption here]](http://www.voanews.com/specialenglish/images/photos_brain_w_12aug08_150_.jpg "[insert caption here]")
Strokes can cause death or disability. Bleeding strokes are more likely to kill than ischemic strokes. But ischemic strokes are more common -- and doctors can treat them with a drug that breaks up blood clots.
If you think someone is having a stroke, you should seek help immediately. Experts at the United States National Institutes of Health say the treatment has to begin within three hours. But they say people need to get to the hospital within one hour so doctors have time to examine them.
ادامه مطلب
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