title: Electrocardiographic manifestation of standby pacing.
mesh_terms: D001146:Arrhythmia, Sinus / Q000628:therapy; D001919:Bradycardia / Q000139:chemically induced / Q000628:therapy; D004070:Digitalis; D004562:Electrocardiography; D006327:Heart Block / Q000628:therapy; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D010138:Pacemaker, Artificial; D010946:Plants, Medicinal; D010947:Plants, Toxic; D013565:Sympatholytics / Q000627:therapeutic use; D013610:Tachycardia / Q000188:drug therapy
chemical_list: D013565:Sympatholytics