This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Gland, Subject name: Surgery
All are complications of thyroidectomy except 
Select and explain. 
A. Hoarseness, B. Hemorrage, C. Hypercalcaemia, D. Hypothyroidism
C: Hypercalcaemia
Answer: C: Hypercalcaemia 
Explanation: Ans) c (Hypercalcaemia) Ref Bailey 25th ed pg 790Following thyroidectomy hypocalcaemia occurs due to parathyroid insufficiency and not hypercalcaemia.Complications of thyroidectomyHaemorrhage - Reactionary haemorrhage from one of the thyroid arteries.Respiratory obstruction - Most cases are due to laryngeal oedema. (Most important causes of laryngeal oedema is tension haematoma.)Recurrent laryngeal nerve paralysis - Voice change.Thyroid insufficiency - Usually occurs within 2yrs.Parathyroid insufficiency - Mainly due to vascular injury. Presented 2-5 days after operation.Thyroid crisis (storm)Acute exacerbation of hyperthyroidism occurs in inadequately prepared patient for thyroidectomy.Symptomatic & supportive treatmentIVFCooling the patientsO2 inhalationDiuretics for cardiac failureDigoxin for uncontrolled AFSedationSpecific treatmentCarbimazole 10-20mg 6th hrlyLugol's iodine 10 drops 8th hrlyPropranolol IV (1 -2mg) or orally (40mg 6th hrly)IV Hydrocortisone