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Table 3 An example of Stewart formulae (Eqns 18–21) in practice

From: Bench-to-bedside review: Fundamental principles of acid-base physiology

Parameter Control Case 1 Case 2
BE (mEq/l) 0 -10 -10
AG (mEq/l) 14.8 14.8 14.8
β 5.7 5.7 2.2
BEcorrected 0 -10.6 -10.2
[SID+]e (mEq/l) 39 29 20.7
[SID+]a (mEq/l) 39 29 29
SIG (mEq/l) 0 0 8.3
  1. AF, anion gap; β, buffer value; BE, base excess; SID+, strong ion difference; SIG, strong ion gap.