Pacemaker overdrive causing recurrence of rate-dependent ventricular tachycardia.
D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D005082:Physical Exertion; D012008:Recurrence; D013315:Stress, Psychological; D013610:Tachycardia / Q000209:etiology* / Q000503:physiopathology