Arrhythmias associated with the synchronous pacemaker.
D001145:Arrhythmias, Cardiac / Q000209:etiology*; D001281:Atrial Fibrillation / Q000628:therapy; D004562:Electrocardiography; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*