Initiation of ventricular tachycardia.
D002037:Bundle-Branch Block / Q000209:etiology; D004562:Electrocardiography; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D013610:Tachycardia / Q000209:etiology*; D014693:Ventricular Fibrillation / Q000209:etiology*