upper airway anatomy
- related: airway anatomy
- tags: #permanent
- Use the glottis as landmark
- glottis is the opening between the vocal folds and is what makes sounds
- supraglottis is area above the glottis and subglottis below
- supraglottis goes from epiglottis to glottis
- subglottis goes from glottis to cricoid cartilage
- subglottic obstruction can have reduced airway caliber during expiration
- importantly, it seems both subglottic and supraglottic airway obstruction are considered extrathoracic:
