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Clinical disorders of magnesium metabolism.

Authors
  • Whang, R
Type
Published Article
Journal
Comprehensive Therapy
Publisher
Springer-Verlag
Publication Date
Mar 01, 1997
Volume
23
Issue
3
Pages
168–173
Identifiers
PMID: 9113454
Source
Medline
License
Unknown

Abstract

Normal Mg metabolism has been reviewed. The most expeditious method of identifying disorders of Mg deficiency or excess is to order a serum Mg determination. In our opinion, routine serum Mg would significantly enhance the clinician's ability to identify disorders of Mg metabolism. Refractory K repletion can be avoided by identifying co-existing hypomagnesemia in hypokalemic patients; as a result, prompting the clinician to institute simultaneous repletion of Mg as well as K. While oral Mg is the preferred route of repletion in critically ill patients, intravenous administration of Mg is recommended. Refractory hypotension, mental obtundation, and respiratory arrest occur with significant hypermagnesemia. Hemodialysis is recommended for treatment of symptomatic hypermagnesemia.

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