Mahmood F, Swaminathan M. Stuck with a decision: what is the "true" aortic valve area--anatomic, geometric, or effective orifice area?. J Cardiothorac Vasc Anesth. 2010;24(4):714-5.
Department of Anesthesia, Critical Care & Pain Management and Department of Surgery, Division of Cardiac Surgery
Beth Israel Deaconess Medical Center