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Acid-base imbalance is not unexpected after cardiac arrest. What are the typical arterial blood gas results after cardiac arrest?
1) Decreased pH, increased PaCO₂, decreased PaO2
2) Increased pH, decreased PaCO₂, increased PaO2
3) Increased pH, increased PaCO₂, decreased PaO2
4) Decreased pH, decreased PaCO₂, increased PaO2