Arterial Blood Gas Analysis and the Outcome of Treatment in Tricyclic Antidepressants Poisoned Patients with Benzodiazepine Coingestion

Table 3

Arterial blood gas values of the studied patients at the time of hospital admission.

Variable	TCA ()	TCA + BZD ()	value^*
pH	7.38 ± 0.08	7.34 ± 0.08	0.02
O2 saturation	73.62 ± 30.13	71.00 ± 35.88	0.1
PaCO2	45.35 ± 6.04	39.00 ± 9.80	0.2
HC	22.39 ± 4.67	22.03 ± 7.27	0.5
Base excess	4.8 ± 1.26	8.25 ± 0.94	0.1

Independent -test; TCA: tricyclic antidepressant; BZD: benzodiazepine; data presented as mean± SD; P_aCO₂: arterial carbon dioxide pressure.