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Learn about what heart medicines are commonly used and what they do.

Aortic stenosis means your aortic valve has a problem opening. The left ventricle has to work harder to push the blood through the valve. In some cases, this extra work will make the muscle of the ventricle thicken. This type of stenosis can quickly get worse.

Aortic insufficiency means your aortic valve has problems closing. Blood leaks back through the valve. Extra blood may cause the ventricle to stretch. A stretched ventricle doesn't squeeze as well. In time, the heart won't move blood the way it should.

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.