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heart attack
Heart attack: The death of heart muscle due to the loss of blood supply. The loss of blood supply is usually caused by a complete blockage of a coronary artery, one of the arteries that supplies blood to the heart muscle. Death of the heart muscle, in turn, causes chest pain and electrical instability of the heart muscle tissue.
 
 
 
 

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Heart Attack Warning Signs

A heart attack is a frightening event, and you probably don't want to think about it. But, if you learn the signs of a heart attack and what steps to take, you can save a life maybe your own.

What are the signs of a heart attack? Many people think a heart attack is sudden and intense, like a "movie" heart attack, where a person clutches his or her chest and falls over.

The truth is that many heart attacks start slowly, as a mild pain or discomfort. If you feel such a symptom, you may not be sure what's wrong. Your symptoms may even come and go. Even those who have had a heart attack may not recognize their symptoms, because the next attack can have entirely different ones.

Women may not think they're at risk of having a heart attack - but they are. Learn more about women and heart attack.

It's vital that everyone learn the warning signs of a heart attack. These are:

Learn the signs - but also remember: Even if you're not sure it's a heart attack, you should still have it checked out. Fast action can save lives-maybe your own.

After you learn more about heart attack, try a brief quiz to see if you know what to do if you or someone else has warning signs.

source: http://www.nhlbi.nih.gov/actintime/haws/haws.htm

 

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