title: DAVID II did not slay Goliath.
authors.forename: Brian
authors.initials: B
authors.lastname: Olshansky
authors.forename: Rakesh
authors.initials: R
authors.lastname: Gopinathannair
authors.forename: Renee M
authors.initials: RM
authors.lastname: Sullivan
mesh_terms: D001919:Bradycardia / Q000628:therapy*; D002304:Cardiac Pacing, Artificial / Q000379:methods; D017147:Defibrillators, Implantable; D006333:Heart Failure / Q000628:therapy; D006801:Humans; D011788:Quality of Life; D017211:Treatment Failure; D018487:Ventricular Dysfunction, Left / Q000628:therapy*