Which nursing intervention ensures an accurate cardiac output reading for a patient?
1. Administer the injectate within 4 seconds.
2. Use 5 cc of iced saline as the injectate.
3. Ensure that there is a difference of 10°C between the injectate temperature and the patient's body temperature.
4. Inject the fluid into the pulmonary artery distal port.
1
Rationale 1: This time frame is necessary to ensure accuracy because the injectate will be pumped out during one cardiac cycle.
Rationale 2: This will not ensure an accurate cardiac output reading.
Rationale 3: This will not ensure an accurate cardiac output reading.
Rationale 4: This will not ensure an accurate cardiac output reading.
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