Heart Diseases [Disease/Finding] Heart Failure [Disease/Finding] Heart Failure C3046 1024953 C0018802 42343007 A heterogeneous condition in which the heart is unable to pump out sufficient blood to meet the metabolic need of the body. Heart failure can be caused by structural defects, functional abnormalities (VENTRICULAR DYSFUNCTION), or a sudden overload beyond its capacity. Chronic heart failure is more common than acute heart failure which results from sudden insult to cardiac function, such as MYOCARDIAL INFARCTION. Cardiac Failure N0000001434 D006333 M0009953 Heart Failure