Pulse oximetry, once the gold standard for monitoring patient ventilation in the field, has been replaced with capnography. Measurement of end-tidal CO2 (ETCO2) is now the the top choice for determining airway patency and the pulmonary status of our patients.  Read Use capnography to detect airway loss and more and take this quiz to test your knowledge.

About the author:

Sean Hulsman, MEd, EMT-P is Director of Education at Twin City Ambulance Corporation in Western New York. He began his EMS career in 1992 and continues to teach and work in the field. You can contact Sean via his blog: Coarse Asystole.