title: Predicting cardiac resynchronization response by QRS duration: the long and short of it.
authors.forename: David A
authors.initials: DA
authors.lastname: Kass
mesh_terms: D002304:Cardiac Pacing, Artificial; D004452:Echocardiography; D004562:Electrocardiography; D006333:Heart Failure / Q000503:physiopathology / Q000628:therapy*; D006801:Humans; D016896:Treatment Outcome