Fluid dynamics of aortic stenosis: mechanisms for the presence of subvalvular pressure gradients.
D001021:Aortic Valve / Q000503:physiopathology*; D001024:Aortic Valve Stenosis / Q000503:physiopathology*; D006328:Cardiac Catheterization; D006801:Humans; D008433:Mathematics; D008955:Models, Cardiovascular; D011312:Pressure; D013318:Stroke Volume