How does hyponatremia occur in pediatric dehydration?

Updated: Nov 12, 2018
  • Author: Alex Koyfman, MD; Chief Editor: Muhammad Waseem, MBBS, MS, FAAP, FACEP, FAHA  more...
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Answer

Volume depletion can be concurrent with hyponatremia. This is characterized by plasma volume contraction with free water excess. An example is a child with diarrhea who has been given water to replace diarrheal losses. Free water is replenished relative to the lack of sodium and other solutes.


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