PMC9592835_01
Timeline of surgery and results of arterial blood gas analysis of the patient.
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F1
Arterial blood gas and electrolyte analysis showed a pH of 7.401, a partial pressure of carbon dioxide (PaCO2) of 39 mmHg, a partial pressure of oxygen (PaO2) of 342 mmHg, a sodium concentration of 137 mmol/L, and a potassium concentration of 3.9 mmol/L (Figure 1).