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Learn about erectile dysfunction (ED), a condition in which a man is unable to get or keep an erection firm enough for satisfactory sexual intercourse.

Defines cystocele, explains the causes, and describes symptoms, diagnosis, and treatments.

Learn about the causes, symptoms, and diagnosis of bladder control problems and bedwetting in children. Treatments may include home care, alarms, and medicine.

A ventricular assist device (VAD) is a mechanical pump that supports heart function and blood flow in people who have weakened hearts. These devices can support the function of the left, right, or both heart ventricles.

A tracheostomy is a surgically made hole that goes through the front of your neck into your trachea, or windpipe. A breathing tube, called a trach tube, is placed through the hole and directly into your windpipe to help you breathe.

Thoracentesis is a procedure in which a needle is inserted into the pleural space between the lungs and the chest wall.

Sleep studies are painless, noninvasive tests that measure how well you sleep and how your body responds to sleep problems. The more common sleep studies monitor and record data about your body during a full night of sleep.