Read on for tips about taking a diuretic safely, and signs that you should call your health care provider.

The hospital stay after a thoracotomy varies for each person. Learn about your recovery and the breathing and range-of-motions exercises you will do as you heal.

Mitral stenosis causes the mitral valve to stiffen and not open right. Learn about what it is, causes, and treatments.

Mitral insufficiency means your mitral valve has problems closing, letting blood leak back through the valve. Mild cases of mitral insufficiency, when a small amount of blood leaks, rarely lead to problems. But severe cases can cause damage to the ventricle and heart muscle.

Here is what to expect after a thoracoscopy. Learn about recovering in the hospital and how to care for yourself at home.

Thoracoscopy is also called video-assisted thoracoscopy surgery. It's often used to repair a collapsed lung. It's also used to examine, biopsy, and stage a mass in the lung.

Snoring can be a sign of obstructive sleep apnea. This can occur from large throat structures and other problems that block air passage.

A problem with a heart valve will usually cause the heart to make a noise. Your provider can hear this noise, called a murmur. But you can have a heart murmur and not have valve disease or any other heart problem. Other tests can help confirm the diagnosis of valve disease.

Pulmonary rehabilitation (rehab) programs help people with chronic lung problems breathe better and improve their overall health and strength. The programs are led by healthcare professionals who are trained to treat people with lung disease. With their help, you'll learn about your condition and gain skills to help you manage it.

This test tells how much air moves in and out of your lungs when you exercise. During the test, you may be asked to walk on a treadmill or ride on a stationary bike. Read on to learn what to expect before, during, and after the test.