Table 2
Equations and definitions: calculated components of total base excess (BE)
Definition
Albumin
[BE (alb)]
(0.123 × pH – 0.631) × (42 – albumin)
Free water
[BE (fw)]
0.3 × (Na – 140)
Chloride
[BE (cl)]
108 – Cl
Lactate
[BE (lact)]
1.5 − lactate