A patient with an arterial line has just been turned and repositioned. After leveling the transducer, which of the following should the nurse do next?
1. Zero the transducer.
2. Fast flush the catheter.
3. Increase the arterial line infusion to 5 ml/hour.
4. Turn the stopcock closest to the patient to the on position.
Zero the transducer.
Rationale: Zeroing the transducer should be done after turning the patient, once the transducer has been leveled. Fast flushing the catheter is done to test whether the transducer is accurately transmitting the pressure detected in the vessel. The arterial line infusion should be set at 1 to 3 ml/hour. Turning the stopcock closest to the patient to the on position is done after the transducer has been zeroed.
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