Carnitine is a nutrient that helps the body's cells work normally. Primary carnitine deficiency is when not enough carnitine can get into cells in the body. This can cause muscle weakness. It can also cause heart or liver problems. Primary carnitine deficiency is a rare health problem a child is born with. It is caused by an abnormal gene.

Thrush is a type of fungal infection in the mouth and throat. Thrush does not usually affect healthy adults. It is more common in people with a weakened immune system. It is also more likely if you take antibiotics. Thrush is normally not contagious.

A brain cyst is an abnormal fluid-filled sac in the brain. A cyst may contain blood, pus, or other material. In the brain, a cyst may contain cerebrospinal fluid (CSF). CSF normally bathes and cushions the brain and spinal cord. Often, a brain cyst begins before birth.

Negative Pressure Wound Therapy (NPWT) is a type of treatment to help wounds heal. During the treatment, a device lowers air pressure on the wound.

A mitral valve replacement is a surgery to replace a mitral valve that doesn't work well. It's replaced with a new valve.

Lead extraction is the removal of wires from your heart. The wires are part of an implanted cardiac device.

An event monitor is a device used to record your heart's electrical activity. It's portable, so you carry it with you. It helps to diagnose some kinds of abnormal heart rhythm and other health conditions. It records your heart's activity when you have symptoms.

Bariatric surgery helps you lose weight when diet and exercise alone have not been successful. Learn about the types of bariatric surgery.

Burr holes are small holes that a neurosurgeon makes in the skull. Burr holes are used to help relieve pressure on the brain when fluid, such as blood, builds up and starts to press on brain tissue.

Bone grafting is surgery to repair and rebuild bones that are damaged or diseased. This surgery can be done to fix bones almost anywhere in your body.