Understanding Heart Disease Heart disease is the leading cause of death in the US. Learn what you can do to keep your own heart healthy. Cardiac Tests and Procedures From a chest x-ray to an implantable pacemaker, here's a detailed look at the tools doctors use to help diagnose and treat heart disease. Heart Conditions and Diseases Arrhythmias, coronary heart disease, high blood pressure—find out more about heart problems and what you can do to prevent them. Women and Heart Disease Many women believe the stereotype that heart disease is a man's problem. But women are at higher risk for heart disease than breast cancer. Diabetes and Heart Disease Heart disease and stroke are the leading causes of death in people with diabetes. Take steps right now to promote heart health. Congenital Heart Disease A congenital heart defect is a heart problem that is present at birth. The vast majority of congenital heart diseases have no known causes. Some of these problems may be caused by genetics. Cardiac Rehabilitation Your heart needs time to recover from a major trauma like heart attack or heart surgery. A cardiac rehab program can help you get back to normal daily activities. Managing Heart Disease Your specific treatment plan may involve one or more of these areas: monitoring your blood pressure, changing to a healthier diet, getting more exercise, and taking medications. Preventing Heart Disease Making certain lifestyle changes can reduce your risk for heart disease: Stop smoking, start exercising, and limit the saturated fat in your diet.