A child in the pediatric intensive care unit has a pulse oximeter for continuous oxygen saturation readings. Which action by the nurse is important for this patient's safety?
A.
Calibrate and "zero" the oximeter once per shift.
B.
Ensure the machine stays plugged in at all times.
C.
Have maintenance inspect the machine before use.
D.
Move the oximeter probe to a new site each day.
ANS: D
The probe of a pulse oximeter uses infrared light, which can damage skin. The nurse should move the probe and inspect the skin underneath it per facility policy or at least once a day. Biomedical equipment has an inspection and maintenance schedule, and the nurse should not have to ask to have the machine inspected before use. Oximeters are not zeroed. The machine should stay plugged in whenever possible, but batteries allow for portability.
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