Health Information Library

Learn about this rare tumor that begins in nerve cells and sometimes causes high blood pressure. It's usually not cancerous, but sometimes it spreads.

This serious gum infection damages the soft tissue and can destroy the bone that supports your teeth. It can cause teeth to loosen or lead to tooth loss.

Lip cancer often appears as a sore on your lip that doesn't heal. Learn about lip cancer treatments, including surgery, radiation and chemotherapy.

Agoraphobia is an anxiety disorder in which you fear and avoid public places or situations where you might feel panicked, trapped, helpless or embarrassed.

Learn why this blood test is done, how to prepare for it and what the results might mean.

These are unhealthy reactions to stress that involve emotions and behavior. The response to stress is much more intense than would usually be expected.

These types of heart valve surgeries are done to treat aortic valve disease, including aortic stenosis and aortic regurgitation.

A congenital heart defect can cause a leaky or blocked pulmonary valve. Know the symptoms and how it's treated.

These heart surgeries treat tricuspid valve regurgitation and stenosis and Ebstein anomaly, a type of congenital heart defect. Learn how they're done.

Learn how this implanted device records your heartbeat and know when you might need one.

This most common type of supraventricular tachycardia, a type of irregular heartbeat, tends to occur in young women. Know the symptoms and treatment.

This treatment to replace a narrowed aortic valve involves smaller surgical cuts than open-heart valve surgery. Learn about the benefits and risks.

This type of fast heartbeat may occur after heart surgery or during pregnancy. But infections may trigger it too. Learn how it's diagnosed and treated.

Learn how heat or cold energy can treat an irregular heartbeat called atrial fibrillation (AFib).

If you have a leaky heart valve, this treatment to repair a ring around the valve may be recommended. Learn when and how it's done.

Find out more about this cardiac catheter procedure to repair a narrowed heart valve.

If you have a leaky or stiff mitral valve, you may need heart surgery. Learn about the different procedures used to repair or replace this valve.

This heart failure treatment uses a pacemaker or a pacemaker with a defibrillator. Know when the treatment is needed.

Learn who may benefit from this cardiac catheter procedure to correct persistent atrial fibrillation, or AFib.

Find out who may benefit from this treatment to correct a rapid and chaotic heartbeat called atrial fibrillation.