Delta Gap and Ratio

Na
mmol/L
Cl
mmol/L
HCO3
mmol/L
Albumin
g/dL
Normal Gap
mmol/L
Delta Gap
mmol/L
Delta Ratio
Delta HCO3
mmol/L
Delta Anion Gap
mmol/L
Formula

Anion_Gap = Na-(Cl+HCO3)
Corr. AG = AG+0.25*(40-Alb)

Delta HCO3 = 25 - HCO3
Delta AG = Anion_Gap - Normal_Gap
Delta Gap = Delta AG - Delta HCO3
Delta Ratio = Delta AG / Delta HCO3

Info

References:
Ann Emerg Med. 1990 Nov;19(11):1310-3. -> PubMed