There are 4 valves in the heart to ensure blood flows in the right direction. If the valves do not work correctly, blood can leak backward. Learn more about the different types of leaky valves here.

Heart valve disease is when one or more of your heart valves don't work the way they should. Your heart has four valves: pulmonary, tricuspid, aortic, and mitral.

The heart valves work by ensuring that blood flows in a forward direction and doesn’t back up or cause leakage. Heart valve disorders prohibit this.

A leaky heart valve may cause no problems or it may signify congestive heart failure. WebMD takes a look at the causes, symptoms, and treatments for a leaky heart valve.

Every year, approximately 13,000 heart valve replacements are performed in England and 300,000 worldwide - and the numbers ...

Although heart valve problems are more common with age — an estimated 12.4% of Americans older than 75 years have aortic stenosis — structural heart problems can also occur during embryonic ...

Cardiologists had assumed that if they fixed problems on the left side of the heart — like a leaky mitral or aortic valve — the tricuspid valve would fix itself. Their assumption was wrong.

Journi Kelly, 11, needed a new heart. But her heart valves helped 2 other girls and allowed doctors to perform the 1st living mitral valve replacement. Journi Kelly, 11, ...

The story of MitraClip, a device Dr. Oz helped invent to treat faulty heart valves, is a cautionary tale about the science, business and regulation of medical technology.

A CT scan of a 64-year-old patient with heart failure showing calcification of the aortic valve, bright white, in center, which can lead to aortic valve stenosis.