Bedside differentiation of heart murmurs.
D000680:Amyl Nitrite; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis; D003937:Diagnosis, Differential; D006326:Heart Auscultation; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D010656:Phenylephrine; D014636:Valsalva Maneuver
D010656:Phenylephrine; D000680:Amyl Nitrite