Heart Disease Facts & Resources from Health Issues Today
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about a wide variety of health topics. Heart disease is one of the leading killers
in society today. Literally millions of dollars are spent every year to fight
all different types of heart diseases.
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Coronary Heart Disease
Coronary artery disease (CAD) occurs when the arteries that supply blood to the heart muscle (coronary arteries) become hardened and narrowed. The arteries harden and become narrow due to the buildup of plaque on the inner walls or lining of the arteries (atherosclerosis). Blood flow to the heart is reduced as plaque narrows the coronary arteries. This decreases the oxygen supply to the heart muscle.
CAD is the most common type of heart disease. It is the leading cause of death in the U.S. in both men and women.
When blood flow and oxygen supply to the heart are reduced or cut off, you can develop:
- Angina. Angina is chest pain or discomfort that occurs when your heart is not getting enough blood.
- Heart attack. A heart attack happens when a blood clot suddenly cuts off most or all blood supply to part of the heart. Cells in the heart muscle that do not receive enough oxygen-carrying blood begin to die. This can cause permanent damage to the heart muscle.
Over time, CAD can weaken your heart muscle and contribute to:
- Heart failure. In heart failure, the heart is not able to pump blood to the rest of the body effectively. Heart failure does not mean that your heart has stopped or is about to stop working. But it does mean that your heart is failing to pump blood the way that it should.
- Arrhythmias. Arrhythmias are changes in the normal rhythm of the heartbeats. Some can be quite serious
Author: encyclopedia
coronary heart disease Related: Pathology see coronary artery disease . ...
Heart Disease Additional Information
| Heart Failure: A Companion to Braunwald's Heart Disease
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Author: CHEST
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