title: Appropriate use criteria in echocardiography: is no change the same as no benefit?
authors.affiliation: Division of Cardiology, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor.
authors.forename: William
authors.initials: W
authors.lastname: Armstrong
authors.forename: Kim A
authors.initials: KA
authors.lastname: Eagle
mesh_terms: D000046:Academic Medical Centers; D002318:Cardiovascular Diseases / Q000000981:diagnostic imaging*; D004452:Echocardiography / Q000706:statistics & numerical data*; D005260:Female; D019983:Guideline Adherence / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D014600:Utilization Review / Q000379:methods*