APLS CRICOT Purpose-made cricothyroidotomy cannulae are available, usually in three sizes: 12 gauge for an adult, 14 gauge for a child and 18 gauge for a baby.

Purpose-made cricothyroidotomy cannulae are available, usually in three sizes: 12 gauge for an adult, 14 gauge for a child and 18 gauge for a baby.

In an emergency, an intravenous cannula can be inserted through the cricothyroid membrane and oxygen insufflated at 1 l/per year of age/min to provide some oxygenation (but no ventilation).