title: Rethinking QRS Duration as an Indication for CRT.
authors.forename: Smita
authors.initials: S
authors.lastname: Mehta
authors.forename: Samuel J
authors.initials: SJ
authors.lastname: Asirvatham
mesh_terms: D058406:Cardiac Resynchronization Therapy / Q000379:methods*; D006333:Heart Failure / Q000628:therapy*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D016277:Ventricular Function, Left / Q000502:physiology*