title: Combined first-pass and equilibrium radionuclide ventriculography for non-invasive quantification of aortic and/or mitral regurgitation--comparison with the left/right ventricular stroke count ratio.
mesh_terms: D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging*; D006333:Heart Failure / Q000000981:diagnostic imaging; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging*; D009200:Myocardial Contraction; D011877:Radionuclide Imaging; D013318:Stroke Volume; D013667:Technetium; D016698:Technetium Tc 99m Pyrophosphate; D014003:Tin Polyphosphates
chemical_list: D014003:Tin Polyphosphates; C017742:technetium Tc 99m stannous pyrophosphate; D016698:Technetium Tc 99m Pyrophosphate; D013667:Technetium