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Mitral valve prolapse is the most common heart valve problem. It's usually not serious. With this problem, the valve bulges slightly back into the atrium when it closes. This may allow a tiny amount of blood to leak.

Thoracotomy is surgery used to diagnose and treat certain lung problems. Learn about what to expect before and after the surgery.

Learn how to care for yourself as you recover at home after a thoracotomy. This includes information on when and how to go back to your usual activities.

Beta-blockers decrease your heart's workload and help it beat more regularly. This can reduce chest pain. It may also lower your blood pressure.

Potassium supplements help replace potassium your body as lost. This can happen if you take a water pill (diuretic), or because of a medical condition. Read on for tips on how to take potassium, as well as safety advice.

If you recently had a heart attack or heart surgery, you may be worried about your love life. This is normal during an illness. But know that you can still enjoy sex. Here is information that can help you understand your feelings. It can also help you work with your partner to rebuild intimacy and enjoy sex again.

An intimate relationship is built on being able to share feelings. The stress and worry of a heart attack or surgery can upset this closeness.

To help you listen to each other’s feelings, you might try this “talker and listener” approach. First, one person is the talker and the other is the listener. Then you change roles.

Learn about the kidneys--where they're located, how they filter waste from the blood, and their other roles in keeping the body healthy.