Epiglottitis

Epiglottitis is a bacterial infection of the epiglottis and/or adjacent structures that causes the supraglottic region to become inflamed. The supraglottitis that results from the infection leads to a partial or near-total airway obstruction at this level. Supraglottic structures include the arytenoids, aryepiglottic folds, and vallecula. If untreated, the inflammation can result in asphyxia and respiratory arrest, making this potentially a life-threatening condition. Recognition of the clinical and imaging findings is essential for prompt diagnosis as this condition is a medical emergency.