Table 2.

Arterial blood gas measurements

Variable	Baseline		10 min		P-value	ROSC 20 min		P-value
	Arterial		Arterial			Arterial
	Mean	± SD	Mean	± SD		Mean	± SD
pH	7.350	± 0.026	7.257	± 0.060	0.012	7.287	± 0.050	0.014
PCO2	5.8	± 0.63	6.5	± 1.30	ns	6.4	± 0.83	ns
PO2	14.3	± 6.9	27.5	± 18.6	ns	48.75	± 17.7	0.042
ABE	-1.7	± 1.4	-6.0	± 1.4	0.002	-3.97	± 1.6	ns
Lactate	1.42	± 0.47	4.35	± 1.33	0.02	3.86	± 1.02	0.002
Hb	108	± 10	120	± 11	ns	114	± 10	ns
Na	137	± 2,1	136	± 2.7	ns	136	± 2.8	ns
K	3.96	± 0.24	4.59	± 0.89	ns	3.86	± 0.34	ns
Ca	1.33	± 0.04	1.35	± 0.06	ns	1.27	± 0.05	ns
Glucos	6.6	± 1.4	11.5	± 2.2	0.002	11.79	± 3.15	0.008

Measurements of blood gas, electrolytes, hemoglobin, hematocrit, lactate and glucose at base line and after ten minutes of mechanical chest compressions. Data are presented as Mean ± SD, n = 10. ns = not significant.