The cricoid ring is the narrowest portion of the airway, creating a funnel-like shape. The use of uncuffed endotracheal tubes helps prevent complications such as stenosis and is recommended in children under 9 years of age. Needle cricothyrotomy is recommended for those under 12 years old.

Due to a shorter tacheal length, providers should take care to avoid mainstem bronchus intubation. Children have narrow airways, making them susceptible to partial or complete obstruction due to edema or hemorrhage.