End-Tidal Carbon Dioxide Use for Tracheal Intubation: Analysis from the National Emergency Airway Registry for Children (NEAR4KIDS) Registry

Objective:Waveform capnography use has been incorporated into guidelines for the confirmation of tracheal intubation. We aim to describe the trend in waveform capnography use in emergency departments and PICUs and assess the association between waveform capnography use and adverse tracheal intubatio