Bacterial endocarditis is an infection of the lining of the heart (endocardium), and the heart valves. It does not happen very often, but when it does, it can cause serious heart damage.

Bicuspid aortic valve is a type of abnormality in the aortic valve in the heart. In bicuspid aortic valve, the valve has only two small parts, called leaflets, instead of the normal three. This condition is present from birth. It often ...

A bundle branch block is an interruption of the electrical pathways inside the wall of the heart. A block in the right bundle branch can occur in people who otherwise seem normal. If it happens with a heart attack, it can be a sign of ...

Brugada syndrome is a genetic disorder that causes an irregular heartbeat. This rare, but life threatening condition is more common in people of Asian descent.

Bacterial endocarditis is a bacterial infection of the inner layer of the heart or the heart valves. The heart has 4 valves. These valves help the blood flow through the heart and out to the body. When a person has bacterial ...