To Validate Patient Readings Obtained from a Transcutaneous Blood Gas

Multiple Choice

To validate patient readings obtained from a transcutaneous blood gas monitor, what should you do?

A) Measure and compare the PtcO₂ and PtcCO₂ at three or more different sites.
B) Compare the monitor's readings to a concurrent pulse oximetry reading.
C) Compare the monitor's readings to those obtained with a concurrent ABG sample.
D) Compare the patient reading to those obtained when calibrating the sensor.