title: Physiologic and pharmacologic aids in cardiac ausculation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000680:Amyl Nitrite / Q000494:pharmacology; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000187:drug effects; D006326:Heart Auscultation; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D008297:Male; D008729:Methoxamine / Q000494:pharmacology; D008875:Middle Aged; D011187:Posture; D012119:Respiration; D014636:Valsalva Maneuver
chemical_list: D000680:Amyl Nitrite; D008729:Methoxamine