You have been called for a patient who is complaining of shortness of breath. On scene you find the 41-year-old woman sitting upright in bed with nasal flaring and wheezing. A metered-dose inhaler (MDI) is lying on the nightstand next to her. To assist her with the MDI, which of the following criteria must be met?
A) The MDI must be prescribed for the patient.
B) The pulse oximeter reading must be less than 90%.
C) High-concentration oxygen must be administered first for 5 minutes.
D) The patient must display altered mental status.
A
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