Coronary artery atherosclerosis Coronary atherosclerosis Plaque build-up in arteries supplying blood to heart SNOMEDCT_US:414024009 HP:0005138 HP:0001677 SNOMEDCT_US:53741008 HP:0004929 UMLS:C1956346 Reduction of the diameter of the coronary arteries as the result of an accumulation of atheromatous plaques within the walls of the coronary arteries, which increases the risk of myocardial ischemia. Coronary disease Coronary artery disease, also called atherosclerotic heart disease, is the result of atheromatous plaques within the coronary arteries leading to myocardial ischemia and infarction. Atherosclerosis Abnormal coronary artery morphology Arterial stenosis