title: Ventricular tachycardia induced by a faulty demand pacemaker. Case report.
mesh_terms: D004562:Electrocardiography; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D013575:Syncope / Q000209:etiology; D013610:Tachycardia / Q000209:etiology*