[Evaluation of left ventricular function by intraesophageal cardiography].
D000293:Adolescent; D000328:Adult; D000368:Aged; D004562:Electrocardiography; D004947:Esophagus / Q000502:physiology*; D006334:Heart Function Tests / Q000379:methods*; D006801:Humans; D008875:Middle Aged; D010701:Phonocardiography