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Atherosclerotic Heart Disease

Atherosclerotic Heart Disease
Some individuals have plaque build up in the arteries supplying the heart. Arteries are lined by a thin layer of cells called endothelium which serve to keep the artery smooth and allow for blood flow. Plaque formation occurs when the endothelium is damaged from things such as high blood pressure, smoking, or high cholesterol. This leads to narrowing and prevention of sufficient blood flow to the heart muscle. When this happens, angina (chest pain) can occur. Plaque build up can increase the risk of clot formation and complete blockage of the artery which leads to heart attack. Occasionally individuals may also have damage to the endothelium in the very small arteries of the heart which are not visualized by angiogram. The endothelium does not expand properly, preventing adequate blood supply to the heart.

Southlake Regional Health Centre
596 Davis Drive, Newmarket, Ontario   L3Y 2P9
Tel: 905-895-4521   |   TTY: 905-952-3062
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