Nikolas
Created page with "'''Aortic regurgitation''' refers to when the aortic valve closes incompletely during systole, causing blood to flow back from the ascending aorta into the left ventricle. It’s a rare valvular disease. Like MR, aortic regurgitation can be primary, due to direct involvement of the valve itself, or secondary, due to dilation of the ascending aorta, making it impossible for the anatomically normal aortic valve to close..."