While monitoring an active infant through a transcutaneous blood gas system, you notice a rapid rise in P_tcO₂ from 63 to 145 mm Hg. At that same time, the (P_tcCO₂) drops from 35 to 7 mm Hg. What is the most appropriate action in this case? A) Perform a quick assessment of the infant's airway. B) Stabilize the infant and call for emergency assistance. C) Check the sensor for air leaks or dislodgment. D) Remove the sensor and recalibrate the instrument.

Question

Quizplus · Accepted Answer

Proper sensor-electrolyte contact is essential, as is proper application to the skin surface. A loosely applied sensor may have air leaks or may become dislodged. In either case, the resulting measurements will approach those in room air:

While Monitoring an Active Infant Through a Transcutaneous Blood Gas