Table 1.

Results of arterial blood gas analysis

	Pre-op	G1	G2	G3	G4	G5	G6	G7	Post-op
pH	7.41	7.41	7.40	7.43	7.45	7.41	7.42	7.43	7.41
pCO2 (mmHg)	41.1	35.9	36.1	33.7	31.6	35.0	34.9	35.1	38.2
pO2 (mmHg)	100	334	273	274	239	273	267	265	132
HCO3− (mEq/L)	25.5	22.2	21.8	22.0	21.4	22.0	22.5	23.0	23.7
BE (mEq/L)	1.3	−1.5	−2.0	−1.2	− 1.5	−1.6	− 1.0	− 0.4	− 0.3
Hb (g/dL)	12.3	11.1	11.0	11.3	11.3	11.1	10.6	10.6	11.6
Glu (mg/dL)	NA	109	125	99	98	128	112	84	89
Na+ (mEq/L)	140	139	142	141	142	141	143	144	137
K+ (mEq/L)	3.8	3.5	3.4	5.2	5.4	4.9	3.5	3.1	3.4
Cl− (mEq/L)	107	109	111	113	116	114	115	115	108
Ca2+ (mEq/L)	1.21	1.15	1.15	1.17	1.15	1.16	1.14	1.16	1.16

BE base excess. G1–7: time points of these analyses are shown in Fig. 1