Primary carnitine deficiency is a rare health problem a child is born with. It is caused by an abnormal gene.

When you have bronchiectasis, the airways of the lungs become wider than normal. These airways are called bronchi and bronchioles. Over time the walls of the airways become thick and scarred. The damaged airways can’t clear mucus as well. Because of this, mucus builds up in the airways. This increases the risk for lung infections. Bronchiectasis is a long-term (chronic) condition.

Coronary artery bypass surgery is a type of heart surgery. The surgery is done to bypass a blocked area in a coronary artery.

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

Learn details about treating your child's broken nose. Treatment is based on your child’s age, overall health, and the type of injury.

Mitral valve regurgitation is when the mitral valve in the heart is leaky. Learn more about this condition, including causes, symptoms, and how it's diagnosed.

A bone bruise is an injury to a bone that is less severe than a bone fracture. Bone bruises are fairly common. They can happen to people of all ages.

Coarctation of the aorta is an abnormal narrowing of the aorta. Transcatheter repair is a type of procedure that can help restore normal blood flow through the aorta.

A Baker cyst (popliteal cyst) is a fluid-filled sac that forms behind the knee. Here are possible treatments and complications.

Cardioversion is a procedure that is done to return your heartbeat to a normal rhythm. You take medicine, either through an IV or by mouth.