Table 3.

Blood gas monitoring

	pH	pCO2 (mmHg)	pO2 (mmHg)	HCO3 (mEq/L)	BE (mmol/L)	AG (mmol/L)	ΔAG (mmol/L)
On admission	7.37	44	93	22	−2.3	10
12 hours	7.38	26.5	49.5	17.8	−8.8	11.2
18 hours	7.41	27.6	52	19.7	−6.2	13.3
30 hours	7.46	24.9	40	20.1	−5.4	12.9
48 hours	7.36	20.3	52.3	14.7	−13	25.3	1.6
60 hours	7.37	15.1	64	12.9	−15.8	31.1	1.9
78 hours	7.54	23.8	77	24.1	−1.6
84 hours	7.39	8.4	86.8	10.4	−20.2	32.6	1.6
90 hours	7.07	32.6	94.7	9.9	−18.9	30.1	1.4
96 hours	7.36	22.3	66.7	15.3	−12	29.7	2.2

Abbreviations: ΔAG, change in anion gap; AG, anion gap; BE, base excess; HCO₃, bicarbonate; pCO₂, partial pressure of carbon dioxide; pO₂, partial pressure of oxygen.