title: Increasing importance of Doppler echocardiography.
mesh_terms: D000328:Adult; D001024:Aortic Valve Stenosis / Q000503:physiopathology; D001783:Blood Flow Velocity; D001794:Blood Pressure; D004452:Echocardiography / Q000379:methods; D006439:Hemodynamics; D006801:Humans; D008946:Mitral Valve Stenosis / Q000503:physiopathology; D014262:Tricuspid Valve Insufficiency / Q000503:physiopathology