Abstract
Inspiratory stridor is a sign of severe upper airway obstruction. The cause of inspiratory stridor is usually organic, and emergent procedures including intubation or tracheostomy are often needed. Functional stridor is a non-organic stridor caused by the paradoxical adduction of the true and false vocal cords throughout the respiratory cycle. It is often diagnosed as asthma or vocal cord paralysis, and unnecessary treatments including the administration of corticosteroids, intubation, and tracheostomy are sometimes performed.
We report a case of functional stridor in an 18-year-old female who developed severe inspiratory stridor and dyspnea after a mild asthmatic attack.
