title: Failure of the postventricular premature beat DVI mode in preventing pacemaker circus movement tachycardia.
mesh_terms: D000368:Aged; D004562:Electrocardiography; D006327:Heart Block / Q000628:therapy; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial / Q000009:adverse effects; D013610:Tachycardia / Q000517:prevention & control*