Which Way is the Right Way for the Airway?

Providers have many airway management tools at their disposal. Recent studies have focused on the role of extraglottic airways in the setting of out of hospital cardiac arrest. Are there proven advantages to the use of the King / IGel / supraglottic airway? How has the bag valve mask withstood the test of time? Engage in some literature review and case based discussion about the use of these airway adjuncts.