Aortic stenosis

Aortic stenosis is a heart valve disorder that narrows or obstructs the aortic valve opening. Narrowing of the aortic valve prevents the valve from opening properly and obstructs the flow of blood from the left ventricle to the aorta. This can reduce the amount of blood that flows forward to the body.

Update Date: 5/7/2011

Updated by: Issam Mikati, MD, Associate Professor of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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