Flow patterns across cardiac valves: the pressure ratio analysis technique.
D006334:Heart Function Tests / Q000379:methods*; D006349:Heart Valve Diseases / Q000503:physiopathology*; D006350:Heart Valve Prosthesis; D006351:Heart Valves / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D008943:Mitral Valve / Q000503:physiopathology; D008944:Mitral Valve Insufficiency / Q000503:physiopathology