A patient on a 100% nonrebreathing mask at 15 L/min has a PaO2 of 600 torr. Which of the following should the respiratory therapist recommend at this time?
Understand the Problem
The question is asking for a recommendation for a patient who is currently receiving 100% oxygen via a nonrebreathing mask but is still showing an elevated PaO2 level of 600 torr. The respiratory therapist needs to consider the appropriate next steps in oxygen therapy or additional interventions based on this information.
Answer
Recommend reducing the oxygen concentration.
A patient with a PaO2 of 600 torr on a 100% nonrebreathing mask at 15 L/min may have excessively high oxygen levels. The respiratory therapist should recommend reducing the oxygen concentration, such as switching to an air-entrainment mask with a lower percentage of oxygen, to prevent oxygen toxicity.
Answer for screen readers
A patient with a PaO2 of 600 torr on a 100% nonrebreathing mask at 15 L/min may have excessively high oxygen levels. The respiratory therapist should recommend reducing the oxygen concentration, such as switching to an air-entrainment mask with a lower percentage of oxygen, to prevent oxygen toxicity.
More Information
With a PaO2 of 600 torr, the patient is experiencing hyperoxia. Continuation on high oxygen levels can lead to oxygen toxicity, which can be harmful. Adjusting the oxygen delivery to a lower concentration is prudent.
Tips
A common mistake is not considering the risks of high oxygen levels and focusing on oxygenation alone. Always balance oxygenation with safety to prevent oxygen toxicity.
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