Heart Attack
What is a heart attack?
A heart attack, also known as a myocardial infarction, is a medical emergency in which the supply of blood and oxygen to the heart is suddenly blocked. This can happen because of a blood clot in a coronary artery or because of a spasm in a coronary artery. The heart muscle can be damaged or die if the blood and oxygen supply is not restored quickly.
What are the symptoms of a heart attack?
The most common symptoms of a heart attack are chest pain and shortness of breath. Other symptoms may include pain in the arms, neck, jaw, or back; sweating; lightheadedness; and nausea or vomiting.
Who is at risk for a heart attack?
Anyone can have a heart attack, but certain factors increase the risk. These include smoking, high blood pressure, high cholesterol, obesity, and diabetes.
How is a heart attack treated?
If you think you are having a heart attack, call 911 immediately. The most important thing is to get medical help as soon as possible. Treatment for a heart attack includes drugs to dissolve the blood clot and to restore blood flow to the heart, and sometimes surgery.
How can a heart attack be prevented?
Heart attacks can be prevented by making lifestyle changes such as quitting smoking, eating a healthy diet, and exercising regularly. Treatment with drugs such as statins can also help to reduce the risk of a heart attack.
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