Tracheal insertion of an esophageal stethoscope.
D000328:Adult; D000768:Anesthesia, General; D004947:Esophagus; D005547:Foreign Bodies; D006326:Heart Auscultation / Q000009:adverse effects*; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects; D008297:Male; D008875:Middle Aged; D014132:Trachea