What is Coronary Artery Disease? Coronary artery disease (CAD), also known as ischemic heart disease, is a condition in which plaque builds up inside the coronary arteries that supply oxygen-rich blood to the heart muscle. These plaques are made up of fat, cholesterol, calcium and other substances found in the bloodstream. Over time, the buildup of plaque narrows the arteries, rest... https://logcla.com/blogs/535376/Understanding-Coronary-Artery-Disease-Causes-Symptoms-and-Treatment