The Journal of air medical transport
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Endotracheal intubation is a lifesaving technique performed by flight crews often under difficult circumstances. Inadvertent unrecognized esophageal intubation is reported to occur up to 8% of the time. Recently a new disposable device has been developed to assist in determining proper endotracheal tube placement. ⋯ Specificity was calculated as 100%. The overall positive predictive value of the FEF detector was 100%. We therefore conclude that indication of a tracheal intubation by the FEF detector is reliable after six breaths in the aeromedical setting and advocate its use as an adjunct for monitoring tube position while in flight.