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Myocardial Infarction
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Myocardial infarction, also known as a heart attack, can strike without warning. A myocardial infarction occurs when blood supply to a part of the myocardium (heart muscle) is interrupted, either by lack of blood flow, obstruction by a clot, or rupture of a plaque (a buildup of fat and other substances in the blood) in a coronary (heart) artery. Many individuals have coronary artery disease and do not know it until they have a heart attack or die suddenly as a result of myocardial infarction. The January 30, 2008, issue of JAMA includes a study about the use of stents (devices that help to hold diseased coronary arteries open).
SIGNS AND SYMPTOMS
- Chest pain, often crushing, severe, and left-sided
- Arm, jaw, or neck pain
- Fainting or light-headedness
- Nausea
- Fatigue
- Upper abdominal pain
- Loss of consciousness
- Cardiac arrest
Men are more likely to experience chest pain during a myocardial infarction. Women often have . . . [Full Text of this Article]
Janet M. Torpy, MD, Writer;
Cassio Lynm, MA, Illustrator;
Richard M. Glass, MD, Editor
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ABSTRACT
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