The intensive care unit nurse would expect pulmonary artery (PA) catheter monitoring to be used with a patient in which situation?
1. Cannot tolerate hemodynamic monitoring
2. Requires a peripheral intravenous catheter for vasoactive medication administration
3. Needs a central catheter for total parenteral nutrition
4. Requires evaluation of left ventricular pressures each shift
4
Rationale 1: PA catheters are a form of hemodynamic monitoring.
Rationale 2: The PA would not be used to administer vasoactive medications because it is a central arterial catheter, not a peripheral line.
Rationale 3: A PA catheter is not necessary to infuse total parenteral nutrition.
Rationale 4: Pulmonary artery (PA) catheters can be used to evaluate pulmonary artery and left ventricular pressures, measure cardiac output, and manipulate fluid volume status in acutely ill patients.
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