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Coronary heart disease, also known as coronary artery disease, is associated with plaque build up in the wall of an artery. Plaque is made up of deposits of fats, cholesterol and other substances. Plaque formations can grow large enough to significantly reduce blood flow through an artery. When a plaque formation becomes brittle, it may rupture, causing a blood clot to form. A clot may further narrow the artery or completely block it. When a blockage occurs in a coronary artery, it can lead to a heart attack.
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Coronary Heart Disease
