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HYPOMAGNESEMIA & HYPERMAGNESEMIA
Hypomagnesemia is having a serum magnesium concentration of <1.3 mEq/L.
Patients with mild hypomagnesemia is asymptomatic and have usually a serum Mg >0.5 mmol/L. While those with moderate-severe hypomagnesemia, the patient is symptomatic and have serum Mg <5 mmol/L.
Hypermagnesemia signs and symptoms usually do not appear unless Mg >2 mmol/L (5 mg/dL). It rarely occurs and usually iatrogenic.

Hypomagnesemia & Hypermagnesemia References

  1. Agus ZS. Hypomagnesemia. J Am Soc Nephrol. 1999 Jul;10(7):1616-1622. PMID: 10405219
  2. Dacey MJ. Hypomagnesemic disorders. Crit Care Clin. 2001 Jan;17(1):155-173. PMID: 11219227
  3. Weisinger JR, Bellorin-Font E. Electrolyte quintet: magnesium and phosphorus. Lancet. 1998 Aug;352(9125):391-396. PMID: 9717944
  4. Diseases of the parathyroid gland and other hyper- and hypocalcemic disorders. Harrison's Online: McGraw-Hill Companies; 2003.
  5. Introduction to bone and mineral metabolism. Harrison's Online: McGraw-Hill Companies; 2003.
  6. MedWormhttp://www.medworm.com/rss/index.php/Pediatrics/33/http://www.medworm.com/rss/medicalfeeds/specialities/Pediatrics.xml
  7. Vanden Hoek TL, Morrison LJ, Shuster M, et al. Part 12: cardiac arrest in special situations: 2010 American Heart Association Guidelines for cardiopulmonary resuscitation and emergency cardiovascular care. Circulation. 2010 Nov;122(Suppl 18):S829-S861. doi: 10.1161/CIRCULATIONAHA.110.971069. PMID: 20956228
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