This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
Thyroid storm after operation is due to 
Select and explain. 
A. Inadequate control of hypehyrodism, B. Massive bleeding, C. Recurrent laryngeal nerve injury, D. Postoperative infection
A: Inadequate control of hypehyrodism
Answer: A: Inadequate control of hypehyrodism 
Explanation: Thyroid strom is acute exacerbation of hypehyroidism. It occurs if a thyrotoxic patient has been inadequately prepared for thyroidectomy. It is characterized by a high fever, fast and often irregular hea beat, vomiting, diarrhea, and agitation. Treatment include administration of intravenous fluids for dehydration, cooling the patient with ice packs for hyperpyrexia, administration of oxygen, diuretics for cardiac failure, digoxin for uncontrolled atrial fibrillation, sedation and intravenous hydrocoisone . Specific treatment is by carbimazole 10-20 mg 6-hourly, Lugol's iodine 10 drops 8-hourly by mouth or sodium iodide 1 g i.v. Propranolol intravenously (1-2 mg) or orally (40 mg 6-hourly) will block beta-adrenergic effects. Source : Bailey and Love 26th edition Pg : 762