extrathoracic airway obstruction

ex·tra·thor·a·cic air·way ob·struc·tion

(eks'tră-thōr-as'ik ār'wā ŏb-strŭk'shŭn)
Form of airway obstruction in which the site of airway narrowing is above the thoracic inlet; can be variable (reduction in inspiratory but not expiratory flows) or fixed (reduction in both inspiratory and expiratory flows).
References in periodicals archive ?
cardiac conditions, intra- and extrathoracic airway obstruction, aspiration syndromes and cystic fibrosis, should be looked for and the child referred to the relevant specialist for definitive management.