Medical Definition of Anion gap
1.
The difference between the sum of the measured cations and anions in the plasma or serum calculated as follows: (Na + K) -(Cl + HCO3) = < 20 mmol/l. Elevated values may occur in diabetic or lactic acidosis; normal or low values occur in bicarbonate-losing metabolic acidoses.
Synonym: cation-anion difference.
(05 Mar 2000)
Lexicographical Neighbors of Anion Gap
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