This video explains how damage in the heart can lead to an enlarged heart and the repercussion from it. Renowned heart surgeon, Dr. Mehmet Oz, explains the cases of heart attacks, how the heart muscle is damaged and weakened, enlarging of the heart, leading to heart failure. Visible is a pumping heart with damaged heart muscle, decreasing its pumping function. Shown that to compensate for the decreased pumping function, the damaged heart remodels itself expanding like a balloon. As the heart grows larger, it becomes more inefficient. If the heart is unable to efficiently and properly pump blood from the lungs, it can impact a persons overall health. Fluid may pool in the lungs, heart, and throughout the body. This can lead to swelling of the legs, difficulty in breathing, and high risk of sudden cardiac death.