Pharmacological agents and auscultation.
D000680:Amyl Nitrite; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis; D006326:Heart Auscultation; D006331:Heart Diseases / Q000175:diagnosis*; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006801:Humans; D010656:Phenylephrine; D013771:Tetralogy of Fallot / Q000175:diagnosis; D014662:Vasoconstrictor Agents; D014665:Vasodilator Agents
D014662:Vasoconstrictor Agents; D014665:Vasodilator Agents; D010656:Phenylephrine; D000680:Amyl Nitrite