title: Resynchronization therapy upgrades: turning coach into first class.
authors.affiliation: Johns Hopkins University, Baltimore, Maryland, USA.
authors.forename: Boaz D
authors.initials: BD
authors.lastname: Rosen
authors.forename: Ronald D
authors.initials: RD
authors.lastname: Berger
mesh_terms: D002304:Cardiac Pacing, Artificial; D009202:Cardiomyopathies / Q000000981:diagnostic imaging / Q000628:therapy*; D006333:Heart Failure / Q000000981:diagnostic imaging / Q000628:therapy*; D006801:Humans; D016896:Treatment Outcome; D014463:Ultrasonography