“…For obese patients, using the video laryngoscope instead of the Macintosh-type laryngoscope is associated with more likely successful tracheal intubation on the first attempt, a result more consistent with the use of a tracheal tube introducer guide. 32 To prevent esophageal intubation, the routine use of a video laryngoscope has been recommended whenever possible, as well as monitoring exhaled CO2 (EtCO2) by capnography and pulse oximetry during any airway control situation. 33 …”