Localization of the systolic murmur by means of the esophageal microphone.
D000328:Adult; D004562:Electrocardiography; D004864:Equipment and Supplies; D004947:Esophagus; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D010701:Phonocardiography / Q000295:instrumentation*