An obese postoperative client without known respiratory or central nervous system disease is unable to be extubated in the postanesthesia recovery unit due to abnormal ABG results
The client does not respond to the nurse's commands and has a respiratory rate of 10. What ABG results might the nurse expect? 1. pH – 7.28; PaO2 of 80 mmHg; paCO2 55 mmHg; HCO3 22 mmHg; SaO2 92%
2. pH – 7.35; PaO2 of 58 mmHg; paCO2 36 mmHg; HCO3 25 mmHg; SaO2 85%
3. pH – 7.42; PaO2 of 52 mmHg; paCO2 45 mmHg; HCO3 26 mmHg; SaO2 82%
4. pH – 7.44; PaO2 of 59 mmHg; paCO2 50 mmHg; HCO3 25 mmHg; SaO2 89%
pH – 7.28; PaO2 of 80 mmHg; paCO2 55 mmHg; HCO3 22 mmHg; SaO2 92%
Rationale: The nurse would expect the oversedated, nonresponsive client to potentially have hypercapnia resulting from the residual of intraoperative medications and the inability to rid him- or herself of CO2. The other ABG results would indicate hypoxemic respiratory failure, an unlikely finding since the client had no prior respiratory history.
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