The nurse assesses arterial blood gas result from the 88-year-old client who receives oxygen at 3 L/min by nasal cannula. The PaO2 at 8 AM was 84 mm Hg and at 10 AM it was 82 mm Hg. Which does the nurse implement?
1. Collaborates with provider to use an oxygen mask
2. Plans follow-up nursing care for client hypoxemia
3. Requests the laboratory confirm the client's results
4. Continues with the current therapy and nursing care
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4. The nurse continues with the current therapy and nursing care because the differ-ence oxygen values have an insignificant difference, probably representing a normal variation in client PaO2 occurring from minute to minute. The nurse continues to monitor the client closely because the PaO2 is approaching the lower limit for an ac-ceptable arterial blood oxygen tension.
1. Collaborating for a mask is unnecessary because the client's PaO2 is within normal limits.
2. The client's oxygen tension is at the lower acceptable range for arterial blood.
3. The most likely reason for the variation between the blood gas results is normal minute-to-minute variation.
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