While evaluating a patient's pulmonary artery waveforms, the nurse notes a sudden onset of right ventricular waves. Which of the following should the nurse do?
1. nothing, since this is an expected occurrence
2. increase intravenous fluids
3. notify the physician for repositioning
4. assist the patient to a left side-lying position
3
Rationale: The right ventricular waveform is seen on two occasions, one of which is when the catheter tip retreats from the pulmonary artery into the right ventricle. Should the waveform appear, as in the case with the patient, the nurse should notify the physician for repositioning. This is not an expected occurrence and should not be ignored. There is nothing to indicate that the patient needs an increase in intravenous fluids. Assisting the patient to a left side-lying position is not going to reposition the catheter.
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