Chloride requirements


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Chloride is the most abundant extracellular anion; however its intracellular concentration is small.  It balances out positive charges in the extracellular fluid and by passively following sodium, helps to maintain osmolality.  It plays a role in the ability of blood to carry CO2 to the lungs and is important in potassium conservation.


Empiric daily requirement

Adults:  As needed to balance acid/base (80 to 100 mEq/day)

Infants/children:  As needed to balance acid/base (2 to 4 mEq/kg/day)




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