title: Authors' reply.
authors.forename: David A
authors.initials: DA
authors.lastname: Roberson
mesh_terms: D002318:Cardiovascular Diseases / Q000000981:diagnostic imaging* / Q000601:surgery*; D017548:Echocardiography, Transesophageal / Q000295:instrumentation*; D019160:Endosonography / Q000295:instrumentation*; D005260:Female; D006801:Humans; D008297:Male; D011182:Postoperative Care / Q000379:methods*; D014159:Transducers