Defined: High-pitched noisy breathing caused by turbulence from obstruction anywhere between nasal or oral cavity to the bronchi (harsh, creaking sound) Common in infants because of the small diameter of their airways Subtle abnormalities can cause obstruction in newborns and infants
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Defined: High-pitched noisy breathing caused by turbulence from obstruction anywhere between nasal or oral cavity to the bronchi (harsh, creaking sound)
Common in infants because of the small diameter of their airways
Subtle abnormalities can cause obstruction in newborns and infants
Inspiratory StridorTypically caused by obstruction at or above the
level of the vocal cordsExpiratory Stridor
Usually localized to the more distal tracheobronchial tree
Biphasic StridorUsually caused by obstructions at the true
vocal cords
Extrathoracic Airway ObstructionUsually present with symptoms of obstruction
Hoarseness, brassy (“Barky”) cough, or stridorPresence of agitation, air hunger, severe