title: Cardiac arrest during anaesthesia in two horses.
abstract: Unexpected cardiac arrest occurred in two horses during routine surgical anaesthesia. Both were successfully resuscitated. The aetiology of these occurrences and their possible relationship to second degree heart block is discussed.
mesh_terms: D000758:Anesthesia / Q000009:adverse effects / Q000662:veterinary*; D000818:Animals; D004562:Electrocardiography / Q000662:veterinary; D006323:Heart Arrest / Q000209:etiology / Q000662:veterinary*; D006327:Heart Block / Q000662:veterinary; D006339:Heart Rate; D006734:Horse Diseases / Q000209:etiology*; D006736:Horses; D007649:Ketamine; D008297:Male; D014991:Xylazine
chemical_list: D014991:Xylazine; D007649:Ketamine