On what do clinical features depend?
Clinical features depend on the degree of airway obstruction and the duration of time since aspiration of the FB.
List DDs in children and all ages.
Acute obstructive bronchitis
Tracheal blunt trauma, tumor, or stenosis
Laryngeal trauma, tumor/papilloma
Acute bilateral vocal cord paralysis
Bronchial asthma (presents with bilateral wheezing, as opposed to the unilateral wheeze seen in FBA)
Extrinsic compression or infiltration of a large airway from an adjacent mass