title: Re: QRS duration as a predictor of permanent pacemaker implantation.
authors.forename: Susan
authors.initials: S
authors.lastname: Cheng
authors.forename: Thomas J
authors.initials: TJ
authors.lastname: Wang
mesh_terms: D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis* / Q000628:therapy; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D010138:Pacemaker, Artificial; D019919:Prosthesis Implantation