A 35-year-old healthy male is performing a maximal stress test as part of an annual physical. The following data are observed:
The patient denies any symptoms. Which of the following should a pulmonary function technologist do first?
Obtain an arterial blood gas while continuing exercise
Move the pulse oximeter sensor to another site
Administer oxygen at 3-4 L/min by nasal cannula
Terminate the test and stabilize the patient.
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