#JanuAIRWAY Day 19. Back to Airway Obstruction – Today its Infraglottic – can be divided into: extrathoracic (above thoracic inlet) and intrathoracic

#JanuAIRWAY Day 19. Back to Airway Obstruction – Today its Infraglottic – can be divided into: extrathoracic (above thoracic inlet) and intrathoracic