Case Presentation: A 20 year old male with past medical history of Type 1 Diabetes and Hypothyroidism presented to our hospital with severe hypocalcemia. His calcium was 5.8 mg/dl (normal range 8.6-10.3 mg/dl). His ionized calcium was 0.76 mmol/L (normal range 1.15-1.33 mmol/L). He had been complaining of generalized weakness for couple of weeks. Both [...]