From: Metformin-induced lactic acidosis: a case series
0 h
4 h
12 h
pH
6.7
7.34
7.43
PaCO 2 (mmHg)
32.4
23.1
29.8
PaO 2 (mmHg)
68.2
62
101.4
SaO 2 (%)
77.1
93.1
97.2
HCO 3 - (mEq/L)
5
12
15
Lactate (mmol/L)
18
9.8
3.4