Coronary arterial disease (CAD) is a condition in which plaque builds up inside the coronary arteries that supply oxygen-rich blood to your heart muscle. Plaque is made up of fat, cholesterol, calcium, fibrous tissue, and other substances in the blood. Over time, plaque can harden and narrow the arteries. This limits the flow of oxygen-rich blood to your organs and other parts of your body. The patients with coronary arterial disease also experience angina.
Coronary arterial disease (PAD) causing an inadequate oxygen supply to the heart. Mainly the risk factors of coronary vascular disease are nicotine use, diabetes mellitus, hypertension and hypercholesterolemia.