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Acute Inflammatory Upper Airway Obstruction (Croup, Epiglottitis, Laryngitis, and Bacterial Tracheitis)
Airway resistance is inversely proportional to the 4th power of the radius (see Chapter 400 ). Because the lumen of an infant's or child's airway is narrow, minor reductions in cross-sectional area as a result of mucosal edema or other…