Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + • Depressed serum calcium +++ Epidemiology + • Post thyroidectomy or parathyroidectomy +++ Symptoms and Signs + • Hyperactive deep tendon reflexes• Chvostek sign• Muscle/abdominal cramps• Carpopedal spasm• Convulsions +++ Laboratory Findings + • Depressed serum calcium• Hypomagnesemia• Prolonged QT interval + • Hypoparathyroidism• Hypomagnesemia• Severe pancreatitis• Renal failure• Severe trauma• Crush injuries• Necrotizing fasciitis + • Serum calcium, phosphorus, creatinine, and parathyroid hormone (PTH)• 24-hour urine calcium• Chest film + • Treat alkalosis if present• Acutely: Calcium gluconate• Long-term: Vitamin D, oral calcium, phosphate binders +++ Medications + • Calcium gluconate-6 g in 500 mL D5W-Infuse at 1mL/kg/h-Monitor serum calcium and adjust infusion as necessary• Vitamin D• Oral calcium +++ Treatment Monitoring + • Serum calcium• Ionized calcium +++ Prognosis + • Excellent +++ Prevention + • Postoperative calcium surveillance +++ References ++Forsythe RM. et al. Parenteral calcium for intensive care unit patients. Cochrane Database of Systematic Reviews. 2008, (4):CD006163 ++Adler JT et al. Preserving function and quality of life after thyroid and parathyroid surgery. Lancet Oncology. 2008, 9(11):1069-75. [PubMed: 19012855] Your Access profile is currently affiliated with [InstitutionA] and is in the process of switching affiliations to [InstitutionB]. Please select how you would like to proceed. Keep the current affiliation with [InstitutionA] and continue with the Access profile sign in process Switch affiliation to [InstitutionB] and continue with the Access profile sign in process Get Free Access Through Your Institution Learn how to see if your library subscribes to McGraw Hill Medical products. Subscribe: Institutional or Individual Sign In Error: Incorrect UserName or Password Username Error: Please enter User Name Password Error: Please enter Password Sign in Forgot Password? Forgot Username? Download the Access App: iOS | Android Sign in via OpenAthens Sign in via Shibboleth You already have access! Please proceed to your institution's subscription. Create a free profile for additional features.