The necrosis of heart muscle caused due to prolonged lack of oxygen supply is termed 

When the a part of myocaridum is suddenly damaged (necrosis) by an inadequate blood supply, the condition is called heart attack. 

Heart failure means the state of heart when it is not pumping blood effectively enough to meet the needs of the body. 

Heart block is an abnormal heart rhythm where the electrical signals are partially or totally blocked between the atria and the ventricles. 

An aortic aneurysm is a balloon-like bulge in the aorta.