CMSA Intermediate Surgery Practice Questions - FCS(SA) Intermediate Examination In Surgery Exam

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A 42-year-old female patient develops perioral numbness, carpopedal spasm, and a positive Chvostek sign 36 hours after total thyroidectomy for retrosternal multinodular goiter. Her corrected serum calcium is 1.72 mmol/L (normal 2.15–2.55 mmol/L). What is the most appropriate emergency therapy?

Oral calcium carbonate 1,500 mg daily plus oral calcitriol 0.5 mcg daily Slow intravenous infusion of 10 mL 10% calcium gluconate diluted in 100 mL 5% dextrose over 10 to 15 minutes Intravenous magnesium sulfate 2 g bolus over 1 hour Subcutaneous recombinant human parathyroid hormone (rhPTH)

Correct Answer:

Slow intravenous infusion of 10 mL 10% calcium gluconate diluted in 100 mL 5% dextrose over 10 to 15 minutes

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