In order to correctly calculate cardiac output, the nurse should:
1. Only take two measurements and then average the two readings.
2. Take one measurement to prevent fluid volume overload.
3. Obtain five measurements and record the highest reading.
4. Take three to five measurements and take the average of the three readings that are within 10% of one another.
4
Rationale 1: There could be inconsistency on both temperature and technique.
Rationale 2: This could cause an inaccurate measurement.
Rationale 3: There could be inconsistency on both temperature and technique.
Rationale 4: There could be inconsistency on both temperature and technique. The average of the three closest measurements is standard to reflect accuracy.
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