Coronary artery disease:Impedance or blockage of one or more arteries that supplybloodto the heart, usually due toatherosclerosis(hardening of the arteries). AbbreviatedCAD. Amajorcause of illness anddeath, CAD begins when hard cholesterol substances (plaques) are deposited within a coronaryartery. The plaquesinthecoronary arteriescan lead to the formation of tiny clots that can obstruct the flow of blood to theheart muscle生产CAD的症状与体征,包括chest pain (angina pectoris), heart attack (myocardial infarction), and sudden death. Treatment for CAD includesbypasssurgery,balloon angioplasty, and the use of stents.
