Michael Zacharias

I. Diagnosis and Management of Chronic Aortic Regurgitation: What every physician needs to know. Aortic regurgitation (AR), also known as aortic insufficiency (AI), results from malcoaptation of the aortic cusps resulting in reflux of blood from the aorta into the left ventricle. AR results from diseases involving the aortic root, annulus, and/or aortic leaflets. The…