(en'dō-aws'kŭl-tā'shŭn), Auscultation of the thoracic organs, especially the heart, by means of a stethoscopic tube passed into the esophagus or into the heart.
endoauscultation
(ĕn″dō-ăws″kŭl-tā′shŭn) [″ + L. auscultare, to listen to] Auscultation by an esophageal tube passed into the stomach or by a tube passed into the heart.