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Heart Valve Problems: Aortic Stenosis

Aortic stenosis means your aortic valve has a problem opening. The left ventricle has to work harder to push the blood through the valve. In some cases, this extra work will make the muscle of the ventricle thicken. In time, the extra work can tire the heart and cause the heart muscle to weaken. This type of stenosis can quickly get worse.

Possible Causes

Deposits can form on the aortic valve as you get older. These deposits make the valve stiff and hard to open. In some cases, you may have been born with a problem aortic valve. Or, your aortic valve may have been damaged by rheumatic fever or a heart infection.


Top view of open aortic valve with stenosis.
Open aortic valve with stenosis (viewed from above).
Cross section of heart showing aortic valve with stenosis.

Treating Aortic Stenosis

In many cases, treatment won’t be needed unless you have symptoms. If you do have symptoms, medications may help relieve them. If the stenosis is severe, your doctor may recommend surgery to replace the valve, even if you don’t have symptoms.

Online Medical Reviewer: Ailawadi, Gorav, MD
Online Medical Reviewer: Garrett, John R, MD, FACS
Online Medical Reviewer: Image reviewed by StayWell medical illustration team.
Date Last Reviewed: 4/3/2012
© 2000-2015 The StayWell Company, LLC. 780 Township Line Road, Yardley, PA 19067. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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