title: The harms of an unnecessary preoperative echocardiogram: a teachable moment.
authors.affiliation: Division of Cardiology, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania.
authors.forename: Andrew James
authors.initials: AJ
authors.lastname: Foy
authors.affiliation: Division of Cardiology, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania.
authors.forename: Jennifer Grando
authors.initials: JG
authors.lastname: Ting
mesh_terms: D000369:Aged, 80 and over; D006328:Cardiac Catheterization; D003951:Diagnostic Errors; D004452:Echocardiography; D006801:Humans; D007415:Intestinal Obstruction / Q000150:complications / Q000601:surgery; D008297:Male; D011300:Preoperative Care; D019564:Unnecessary Procedures