Continuous Doppler echocardiography.
D001022:Aortic Valve Insufficiency / Q000175:diagnosis; D001024:Aortic Valve Stenosis / Q000175:diagnosis; D001783:Blood Flow Velocity; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis; D004301:Doppler Effect; D004452:Echocardiography / Q000379:methods*; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D013318:Stroke Volume; D016276:Ventricular Function