Aortic valve regurgitation — or aortic regurgitation — is a condition that occurs when your heart's aortic valve doesn't close tightly. Aortic valve regurgitation allows some of the blood that was just pumped out of your heart's main pumping chamber (left ventricle) to leak back into it.

The leakage of blood may prevent your heart from efficiently pumping blood out to the rest of your body. As a result, you may feel fatigued and short of breath.

Aortic valve regurgitation can develop suddenly or over decades. Aortic valve regurgitation has a variety of causes, ranging from congenital heart defects to complications of infectious illnesses. Once aortic valve regurgitation becomes severe, surgery is often required to repair or replace the aortic valve.

Sep. 22, 2011