A 34 year old woman presents to the emergency room complaining of general tingling sensation all over her body and spasm of her right hand for 1 hour. Her spasm is worsening and she feels as her body becomes more rigid. She undergone subtotal thyroidectomy 2 weeks ago and the incision is healed and clean. Blood tests reveals very low serum calcium level. What should be the immediate therapy to reverse her symptoms? A- Vitamin D B- Calcitonin C- Calcium gluconate D- Levothyroxine E- Parathyroid hormone Answer: http://medical-usmle.com/?p=1418
