title: Diagnostic challenges defining heart failure when using echocardiograms.
authors.affiliation: HSRD 11-H, Roudebush Veterans Administration Medical Center, 1481 West 10th Street, Indianapolis, IN 46202, USA. usubrama@iupui.edu
authors.forename: Usha
authors.initials: U
authors.lastname: Subramanian
authors.forename: Morris
authors.initials: M
authors.lastname: Weinberger
authors.forename: Stephan D
authors.initials: SD
authors.lastname: Fihn
authors.forename: William M
authors.initials: WM
authors.lastname: Tierney
mesh_terms: D004452:Echocardiography / Q000379:methods*; D006333:Heart Failure / Q000175:diagnosis*; D006801:Humans; D015588:Observer Variation; D012680:Sensitivity and Specificity; D018487:Ventricular Dysfunction, Left / Q000175:diagnosis