Heart problems do not generally necessitate surgery. They can sometimes be treated with nonsurgical procedures, medicines, or lifestyle modifications. Problems such as heart failure, plaque buildup that partially or completely stop blood flow in a coronary artery, malfunctioning heart valves, dilated or diseased major blood arteries (such as the aorta), and irregular heart rhythms are the ones that necessitate surgery. Types of Heart Surgery Coronary Artery Bypass Grafting (CABG): CABG is also known as heart