title: Is echocardiographic assessment of dyssynchrony useful to select candidates for cardiac resynchronization therapy? Echocardiography is useful before cardiac resynchronization therapy if QRS duration is available.
authors.affiliation: Translational Cardiovascular Ultrasound Laboratory, Division of Cardiology, Johns Hopkins University, Baltimore, MD 21287, USA.
authors.forename: Jacob
authors.initials: J
authors.lastname: Abraham
authors.forename: Theodore P
authors.initials: TP
authors.lastname: Abraham
mesh_terms: D000200:Action Potentials; D000818:Animals; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D019317:Evidence-Based Medicine; D006329:Heart Conduction System / Q000502:physiology*; D006333:Heart Failure / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D007700:Kinetics; D018579:Patient Selection; D011237:Predictive Value of Tests; D014463:Ultrasonography; D018487:Ventricular Dysfunction, Left / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000628:therapy