The Arteriosclerotic Cardiovascular Disease (ASCVD), Coronary Artery Disease (CAD), Coronary Heart Disease (CHD), Ischemic Heart Disease (IHD) are all different names for the same disease. This disease is caused by atherosclerosis, which is a buildup of fatty deposits (atheroma or plaque) in the coronary arteries. ASCVD is atherosclerotic cardiovascular disease, which could be atherosclerosis in any artery in the body. If it is in the arteries that supply the heart, then it is coronary artery disease (CAD). If it occurs in the arteries that supply the brain it is cerebrovascular disease (CVD or CD). If it occurs in the arteries in the legs it is peripheral vascular disease (PVD).
Athersclerotic cardiovascular disease is attributed to the build up of fat deposits, which essentially clog up the heart’s arteries. These deposits are called atheroma or plaque. Plaque is built up over time in the inner lining of the arteries, which limits the blood and oxygen flow and supply to the heart.
Atherosclerotic Cardiovascular Diseasecan occur in any artery. Most commonly it occurs in the aorta, the artery that receives blood directly from the heart. Since the aorta is the largest artery in the body, it is rarely critically narrowed by atheromas. An estimated 70% of North Americans have coronary atherosclerosis, although the overt symptoms may not be evident until the arteries are three-quarters occluded. Coronary artery atherosclerosis leads to angina pectoris, heart attack and cardiac arrest. Although atherosclerosis is by far the most common cause of heart attack & cardiac arrest, other causes include coronary artery spasm, electrical irregularities, and congenital defects.
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