title: Wide QRS complexes in the emergency room.
mesh_terms: D000328:Adult; D001146:Arrhythmia, Sinus / Q000139:chemically induced / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D009661:Nortriptyline / Q000506:poisoning*; D013406:Suicide, Attempted
chemical_list: D009661:Nortriptyline