The nurse is assessing the effectiveness of noninvasive positive pressure ventilation for a patient. Which of the following would indicate that the patient is tolerating the device?
1. blood pH 7.28
2. decreased use of accessory muscles
3. respiratory rate 26
4. moderately difficult to arouse
2
Rationale: Positive patient outcomes with the use of a noninvasive positive pressure ventilation device would include a respiratory rate near normal, improved oxygenation, and decreased use of accessory muscles for ventilation. A blood pH of 7.28 would indicate acidosis, possibly caused by retaining carbon dioxide. A respiratory rate of 26 is not near normal and could indicate air hunger. Difficult to arouse could indicate carbon dioxide retention.
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