Aortic valve stenosis — or aortic stenosis — occurs when the heart's aortic valve narrows. This narrowing prevents the valve from opening fully, which reduces or blocks blood flow from your heart into the main artery to your body (aorta) and onward to the rest of your body.
When the blood flow through the aortic valve is reduced or blocked, your heart needs to work harder to pump blood to your body. Eventually, this extra work limits the amount of blood it can pump, and this can cause symptoms as well as possibly weaken your heart muscle.
Your treatment depends on the severity of your condition. You may need surgery to repair or replace the valve. Left untreated, aortic valve stenosis can lead to serious heart problems.
Aortic valve disease care at Mayo Clinic
Aug. 17, 2017
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