Anion Gap (Serum)
Anion Gap = [Na+] − ([Cl-] + [HCO3−])
| Soduim Na+ | mEq/L or mmoI/L |
| Chloride Cl- | mEq/L or mmoI/L |
| Bicarbonate HCO3− | mEq/L or mmoI/L |
| Anion Gap Urine: | mEq/L or mmoI/L |
Conversion
1.0 Soduim mEq/L = 1.0 Soduim mmol/L
1.0 Chloride mEq/L = 1.0 Chloride mmol/L
1.0Bicarbonate mEq/L = 1.0 Bicarbonate mmol/L
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References:
Emmett M, Narins RG. “Clinical use of the Anion Gap.”. Medicine (Baltimore). 1977 Jan;56(1):38-54. PubMed PMID: 401925.
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