Atrial fibrillation is common in heart failure, but data regarding beta-blockade in these patients and its ability to prevent new occurrence of atrial fibrillation are scarce.
Department of Cardiology, Thoraxcenter, University Medical Center Groningen, PO Box 30 001, 9700 RB Groningen, The Netherlands. d.j.van.veldhuisen@thorax.umcg.nl