Dr. Brian Olshansky discusses a paper in the February 2018 New England Journal of Medicine regarding a trial of catheter ablation for atrial fibrillation with heart failure. Dr. Olshansky is Professor Emeritus of Internal Medicine at the University of Iowa, Adjunct Professor of Medicine at Des Moines University, and Section Editor for UpToDate cardiology topics. Reference: Marrouche NF, Brachmann J, Andresen D, et al. Catheter Ablation for Atrial Fibrillation with Heart Failure. N Engl J Med 2018; 378:417. Contributor Disclosure: Speaker’s Bureau: Lundbeck [Orthostatic hypotension (Droxidopa)]; CryoLife [Heart Valve Replacement (On-X Aortic Valves)]. Consultant/Advisory Boards: Lundbeck [Orthostatic hypotension (Droxidopa)]; CryoLife [Heart Valve Replacement (On-X Aortic Valves)]. Other Financial Interest: Amarin [Hypertriglyceridemia (EPA; Chair, Data and Safety Monitoring Board)]; Boerhringer Ingelheim [Atrial fibrillation (GLORIA AF trial)].