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Epiglottitis, Croup, and Stridor 

Epiglottitis, Croup, and Stridor
Epiglottitis, Croup, and Stridor

Michel Sabbagh

, and John J. Freely Jr.

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date: 19 June 2021

Stridor is a high-pitched sound representing partially obstructed or turbulent flow in the airway. Stridor can be part of the inspiratory or expiratory phase, depending on the origin of the flow disturbance. This chapter reviews the etiology of stridor and its subtypes. It also focuses on two important pediatric disease states where stridor is a defining characteristic: epiglottitis and croup. Epiglottitis has emerged as an uncommon cause of pediatric airway compromise, with the widespread use of Haemophilus influenza type b vaccination. Croup continues to be a significant cause of stridor, and is much more common, although less life-threatening. Current opinions on initial evaluation, anesthetic induction, intubation, and follow-up care for both diseases are discussed.

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