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Table 3 Differences in respiratory and metabolic parameters before the onset and at the end of cardiac arrest interval

From: Determinants of venous return in steady-state physiology and asphyxia-induced circulatory shock and arrest: an experimental study

  Before the onset of cardiac arrest At the end of cardiac arrest
VF group Asphyxia group p-value VF group Asphyxia group p-value
pH 7.41 ± 0.04 7.42 ± 0.02 0.489 7.34 ± 0.03 7.1 ± 0.02 < 0.001
PaO2 (mmHg) 151 ± 6 152 ± 7 0.735 63 ± 3 17.9 ± 3 < 0.001
PaCO2 (mmHg) 42 ± 1.4 43 ± 1.6 0.154 46 ± 2 88 ± 7 < 0.001
Lactate (mmol L−1) 1.2 ± 0.2 1 ± 0.1 0.011 3 ± 0.3 16 ± 0.8 < 0.001
  1. VF: ventricular fibrillation; PaO2: arterial partial pressure of oxygen; PaCO2: arterial partial pressure of carbon dioxide