English: What is hypocalcemia? Hypocalcemia's a condition in which there are lower than normal levels of free ionized calcium in the blood.

Sources: First Aid USMLE Step 1 (text) Pathoma (text/video) "Broad review: hypercalcemia and hypocalemia" http://www.clevelandclinicmeded.com/live/courses/ann/EndoReview/osyllabus/SatOct3/0900LevineHyperandHypoCalcemia.pdf Linda S, Costanzo. Physiology, 5th Ed. (text/online) Hormonal Control of Calcium & Phosphate Metabolism & the Physiology of Bone. In: Barrett KE, Barman SM, Boitano S, Brooks HL. eds. Ganong’s Review of Medical Physiology, 25e New York, NY: McGraw-Hill (text/online) http://www.clevelandclinicmeded.com/medicalpubs/diseasemanagement/endocrinology/hypocalcemia/ Khosla, Sundeep.. "Hypercalcemia and Hypocalcemia." Harrison's Principles of Internal Medicine, 19e Eds. Dennis Kasper, et al. New York, NY: McGraw-Hill (text) http://cursoenarm.net/UPTODATE/contents/mobipreview.htm?8/53/9040 http://cursoenarm.net/UPTODATE/contents/mobipreview.htm?1/31/1534?source=see_link#H404378 Goldfarb, Stanley.. "Chapter 6. Disorders of Calcium Balance: Hypercalcemia & Hypocalcemia." CURRENT Diagnosis & Treatment: Nephrology & Hypertension Eds. Edgar V. Lerma, et al. New York, NY: McGraw-Hill, 2009, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC52119/?page=3

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