2. • DEFINITION
Coronary artery disease [CAD] can also be used
interchangebly with the terms atherosclerotic heart
disease or ischemic heart disease. A narrowing of the
coronary arteries that prevents adequate blood supply to
the heart muscle is called coronary artery diease
3. ETIOLOGY
• .Reduced blood flow in the coronary artery due to
atherosclerosis,increased oxygen demand and decreased oxygen
supply