title: [Clinical study of diagnosis of the site of the origin of ventricular tachycardia by body surface maps].
mesh_terms: D000293:Adolescent; D000328:Adult; D002304:Cardiac Pacing, Artificial; D002648:Child; D004562:Electrocardiography; D006801:Humans; D008297:Male; D013610:Tachycardia / Q000175:diagnosis*