Arrhythmias induced by pacemaking on demand.
D000368:Aged; D001146:Arrhythmia, Sinus / Q000209:etiology; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007049:Iatrogenic Disease; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects*