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Hypocalcemia

Hypocalcemia is a topic covered in the Diagnosaurus.

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Etiology

Decreased intake or absorption

  • Malabsorption or small bowel bypass
  • Vitamin D deficiency (25-hydroxyvitamin D or 1,25-dihydroxyvitamin D)
Increased loss
  • Alcoholism
  • Chronic renal insufficiency
  • Diuretic therapy
Endocrine disease
  • Hypoparathyroidism (including hypomagnesemia) or pseudohypoparathyroidism
  • Sepsis
  • Calcitonin secretion with thyroid medullary carcinoma
  • Familial hypocalcemia
Physiologic causes
  • Decreased serum albumin (normal ionized calcium ion)
  • Hyperphosphatemia
  • Decreased end-organ response to vitamin D
Drugs
  • Loop diuretics, aminoglycosides, foscarnet

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Last updated: December 1, 2014

Citation

Zeiger, Roni F.. "Hypocalcemia." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. 5minute, www.unboundmedicine.com/5minute/view/Diagnosaurus/114278/all/Hypocalcemia.
Zeiger RF. Hypocalcemia. Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://www.unboundmedicine.com/5minute/view/Diagnosaurus/114278/all/Hypocalcemia. Accessed May 25, 2019.
Zeiger, R. F. (2014). Hypocalcemia. In Diagnosaurus. Available from https://www.unboundmedicine.com/5minute/view/Diagnosaurus/114278/all/Hypocalcemia
Zeiger RF. Hypocalcemia [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 May 25]. Available from: https://www.unboundmedicine.com/5minute/view/Diagnosaurus/114278/all/Hypocalcemia.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Hypocalcemia ID - 114278 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://www.unboundmedicine.com/5minute/view/Diagnosaurus/114278/all/Hypocalcemia PB - McGraw-Hill Education ET - 4 DB - 5minute DP - Unbound Medicine ER -