A patient has a pulmonary artery (PA) catheter placed. What should the nurse recognize as the purpose of this catheter?
1. The patient cannot tolerate hemodynamic monitoring.
2. The patient requires a peripheral intravenous catheter for medication administration.
3. The patient would benefit from having the right ventricle pressures measured each shift.
4. The patient requires evaluation of left ventricular pressures each shift.
Correct Answer: 4
The PA catheter is used to evaluate left ventricular and overall cardiac function. PA catheters are a form of hemodynamic monitoring. The PA catheter does not measure right ventricular pressures and would not be used to administer medications as it is a central arterial catheter, not a peripheral line.
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