title: Atrial ectopic activity in long-standing persistent atrial fibrillation: an unanticipated potentially important role?
authors.affiliation: Departments of Medicine, Montreal Heart Institute and Université de Montréal, Montréal, Québec, Canada. Electronic address: stanley.nattel@icm-mhi.org.
authors.forename: Stanley
authors.initials: S
authors.lastname: Nattel
mesh_terms: D001281:Atrial Fibrillation / Q000503:physiopathology*; D017115:Catheter Ablation; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000503:physiopathology*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male