title: Cardiac auscultation: a re-emphasis. Clues from physical maneuvers and pharmacologic agents.
mesh_terms: D000680:Amyl Nitrite; D006326:Heart Auscultation / Q000379:methods*; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006439:Hemodynamics; D006801:Humans; D007537:Isometric Contraction; D005082:Physical Exertion; D014636:Valsalva Maneuver; D014662:Vasoconstrictor Agents
chemical_list: D014662:Vasoconstrictor Agents; D000680:Amyl Nitrite