title: Cardiac resynchronisation therapy upgrade and occurrence of ventricular arrhythmia.
authors.forename: J G F
authors.initials: JG
authors.lastname: Cleland
authors.forename: D
authors.initials: D
authors.lastname: Cullington
authors.forename: A Tageldien
authors.initials: AT
authors.lastname: Abdellah
mesh_terms: D001145:Arrhythmias, Cardiac / Q000188:drug therapy / Q000628:therapy*; D001281:Atrial Fibrillation / Q000628:therapy; D017147:Defibrillators, Implantable; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans; D016896:Treatment Outcome; D020257:Ventricular Remodeling