title: Tachycardias related to atrial synchronous ventricular pacing.
mesh_terms: D000368:Aged; D001283:Atrioventricular Node / Q000503:physiopathology; D002304:Cardiac Pacing, Artificial / Q000009:adverse effects*; D004594:Electrophysiology; D006327:Heart Block / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D013610:Tachycardia / Q000175:diagnosis / Q000209:etiology*