title: Pacing problems.
authors.affiliation: University of Arizona, Sarver Heart Center, Tucson, Arizona 85724, USA. jindik@email.arizona.edu
authors.forename: Julia H
authors.initials: JH
authors.lastname: Indik
mesh_terms: D001145:Arrhythmias, Cardiac; D001281:Atrial Fibrillation / Q000628:therapy*; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D006801:Humans; D010138:Pacemaker, Artificial; D012804:Sick Sinus Syndrome / Q000628:therapy*