The patient has been X-rayed after insertion of a pulmonary artery catheter (PAC)
Which components of this system would the nurse expect to see in the right atrium? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Select all that apply. 1. The proximal port
2. The thermistor
3. The proximal injectate port
4. The transducer
5. The balloon
1,3
Rationale 1: The proximal port of the PAC sits in the right atrium and is used to infuse IV fluids and nonvasoactive medications.
Rationale 2: The thermistor is on the tip of the PAC and should be in the pulmonary artery.
Rationale 3: The proximal injectate port is located in the right atrium and is used for measuring cardiac output.
Rationale 4: The transducer is located outside the patient's body.
Rationale 5: The balloon is located on the distal end of the PAC, which will be located in the pulmonary artery.
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