From: Apfelbaum JL, Hagberg CA, Connis RT, et al. 2022 American Society of Anesthesiologists Practice Guidelines for Management of the Difficult Airway. Anesthesiology 2021. DOI:
10.1097/ALN.0000000000004002. Copyright © 2021 American Society of Anesthesiologists. Reproduced
with permission from Wolters Kluwer Health. Unauthorized reproduction of this
material is prohibited.