If you’ve recently suffered a heart attack, or are experiencing chronic or acute heart disease, you may be referred for cardiac rehabilitation.The American Heart Association defines cardiac rehab as “a medically supervised program designed to improve your cardiovascular health if you have experienced heart attack, heart failure, angioplasty or heart surgery.” The best cardiac rehabcenters design customized programs that include exercise and educationto help patients recover successfully, reduce and manage symptoms, and improve their quality of life.