title: Predicting elevated defibrillation energy requirements in heart failure with reasonable probability.
authors.forename: Joseph G
authors.initials: JG
authors.lastname: Akar
mesh_terms: D017147:Defibrillators, Implantable; D004562:Electrocardiography; D006333:Heart Failure / Q000150:complications*; D006801:Humans; D011237:Predictive Value of Tests; D014693:Ventricular Fibrillation / Q000150:complications / Q000175:diagnosis* / Q000628:therapy