Cardiac rehabilitation, also called cardiac rehab, is a customized outpatient program of exercise and education. Cardiac rehabilitation is designed to help you improve your health and help you recover from a heart attack, other forms of heart disease or surgery to treat heart disease Cardiac rehabilitation is a branch of rehabilitation medicine or physical therapy dealing with optimizing physical function in patients with cardiac disease or recent cardiac surgeries. Cardiac rehab offers many benefits. It can improve your ability to carry out activities of daily living, reduce your heart disease risk factors, improve your quality of life, improve your outlook and emotional stability, and increase your ability to manage your disease.