Skip to main content
. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Resuscitation. 2020 Feb 27;150:23–28. doi: 10.1016/j.resuscitation.2020.02.023

Table 3 –

Arterial blood gas values for Study B, comparing two elevation of the head and thorax sequences during active compression-decompression cardiopulmonary resuscitation with an impedance threshold device. All values are presented as mean ± SD.

Study B (n = 12) Baseline CPR 6.5′ CPR 11.5′ CPR 16.5′ ROSC 15′
20, 30, 40 40, 30, 20 20, 30, 40 40, 30, 20 20, 30, 40 40, 30, 20 20, 30, 40 40, 30, 20 20, 30, 40 40, 30, 20
pH 7.45 ± 0.01 7.46 ±0.04 7.19 ±0.05 7.23 ±0.02 7.16 ±0.05 7.20 ±0.03 7.10 ±0.05 7.17 ±0.03 7.17 ±0.05 7.24 ±0.04
PaCO2 44.7 ±3.8 44.5 ±5.9 62.7 ± 7.6 58.3 ±4.7 64.0 ± 10.7 56.5 ±7.5 71.5 ±10.2 59.0 ±6.0 56.8 ±7.6 47.3 ±6.5
PaO2 121.5 ±48.6 83.2 ±7.4 119.5 ± 43.7 136.2 ±62.0 119.8 ±49.3 130.2 ±62.4 106.8 ±92.2 134.5 ±70.7 89.3 ±20.6 96.0 ±7.6
HCO3– 30.7 ± 2.5 31.2 ±2.8 23.8 ±0.9 24.5 ±2.3 22.4 ± 1.7 22.1 ±2.8 22.0 ±2.0 21.7 ±2.2 20.3 ± 1.3 20.0 ±2.3
BE 6.6 ±2.5 7.3 ±2.9 −4.4 ±0.9 −3.1 ±2.5 −6.3 ± 1.1 −6.0 ±2.9 −7.5 ± 1.7 −6.8 ±2.4 −8.3 ±1.3 −7.5 ±2.6
SaO2 98.0 ± 1.3 95.0 ±2.8 94.8 ±5.0 96.0 ±3.9 92.0 ± 9.8 95.5 ±4.3 82.7 ± 12.0 95.0 ±5.1 91.7 ±6.9 95.8 ± 1.5