The muscle cells that make up the heart require a constant supply of oxygen to operate and survive. A blood flow obstruction in a coronary artery causes the part of the heart it supplies to ...
About Congenital Heart Defects. National Heart, Lung, and Blood Institute. Heart Failure - Causes and Risk Factors. Powell-Wiley TM, Poirier P, Burke LE, et al. Obesity and cardiovascular disease ...