title: Arrhythmias in advanced heart failure are a bad sign-but of what?
authors.affiliation: Cardiovascular Division, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address: david.callans@uphs.upenn.edu.
authors.forename: David J
authors.initials: DJ
authors.lastname: Callans
authors.affiliation: Cardiovascular Division, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania.
authors.forename: Andrew E
authors.initials: AE
authors.lastname: Epstein
mesh_terms: D001145:Arrhythmias, Cardiac; D006333:Heart Failure; D006801:Humans