title: Transient bundle branch block occurring during anesthesia.
mesh_terms: D000769:Anesthesia, Inhalation / Q000009:adverse effects*; D001145:Arrhythmias, Cardiac / Q000139:chemically induced; D001919:Bradycardia / Q000139:chemically induced; D002037:Bundle-Branch Block / Q000139:chemically induced*; D004562:Electrocardiography; D005260:Female; D006221:Halothane; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged; D010100:Oxygen; D011229:Preanesthetic Medication; D013390:Succinylcholine / Q000009:adverse effects*
chemical_list: D013390:Succinylcholine; D010100:Oxygen; D006221:Halothane