Table 2:

Arterial blood gas measurements taken at baseline, during CPR and after the return of spontaneous circulation (ROSC). Of note, only one C-CPR animal survived to ROSC 30 minutes after CPR.

N = 16		Baseline	CPR 9’	CPR 18’	ROSC 30’	ROSC 60’	ROSC 120’	ROSC 240’
Arterial pH	ACD+ITD CSE	7.46 ± 0.02	7.13 ± 0.05	7.10 ± 0.05	7.29 ± 0.03	7.33 ± 0.05	7.34 ± 0.03	7.36 ± 0.05
	C-CPR	7.48 ± 0.02	7.31 ± 0.1	7.32 ± 0.13	7.22 ± 0.00	7.23 ± 0.00	7.32 ± 0.00	7.30 ± 0.00
Arterial pO2	ACD+ITD CSE	101± 12	116 ± 53	116 ± 48	138 ± 17	111 ± 18	105 ± 20	96 ± 15
	C-CPR	98 ± 13.6	191 ± 80.9	246 ± 113	149 ± 0.0	137 ± 0.0	95 ± 0.0	77 ± 0.0
Arterial pCO2	ACD+ITD CSE	43 ± 3	67 ± 9	67 ± 10	42 ± 5	45 ± 4	41 ± 4	36 ± 5
	C-CPR	44 ± 1	43 ± 11	34 ± 13	32.0 ± 0.0	44 ± 0.0	33 ± 0.0	41 ± 0.0
Arterial Base Excess	ACD+ITD CSE	7.2 ± 1	−6.8 ± 2	−9.1 ± 2	−6.4 ± 2	−1.8 ± 4	−3.5 ± 2	−4.1 ± 4
	C-CPR	9.4 ± 2	−5.4 ± 2	−9.5 ± 3	−14.6 ± 0.0	−9.2 ± 0.0	−9.1 ± 0.0	−6.2 ± 0.0