title: Complete atrioventricular heart block due to hypokalemia following ovariohysterectomy.
mesh_terms: D000818:Animals; D002369:Castration / Q000662:veterinary*; D004283:Dog Diseases / Q000209:etiology*; D004285:Dogs; D005260:Female; D006327:Heart Block / Q000209:etiology / Q000662:veterinary*; D007008:Hypokalemia / Q000150:complications / Q000662:veterinary*; D007044:Hysterectomy / Q000662:veterinary*