Vannan, Mani A Assessment of mechanical aortic valve prosthesis by means of Doppler echocardiography: what to measure and why? [electronic resource] - The Journal of thoracic and cardiovascular surgery Aug 2003 - 317-20 p. digital Publication Type: Editorial; Comment ISSN: 0022-5223 Standard No.: 10.1016/s0022-5223(03)00121-1 doi Subjects--Topical Terms: Aortic Valve Stenosis--diagnostic imagingBlood Flow VelocityBlood Pressure--physiologyEchocardiography, Doppler, ColorHeart Valve ProsthesisHumansHypertrophy, Left Ventricular--diagnostic imagingRegression AnalysisStroke Volume--physiologySystole--physiology