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Aortic Stenosis Overview

Aortic stenosis (AS), also called aortic valve stenosis, is a condition in which the aortic valve has become narrowed or constricted (stenotic) and does not open normally. Calcium in the blood can build up on the valve, causing a hardening (calcification) of the valve.


The aortic valve is located between the left ventricle, or lower chamber of the heart, and the largest artery (aorta). The left ventricle pumps oxygen-rich blood into the aorta, which carries it t...Read the full article