Virtual Pediatric Hospital: ElectricAirway: Upper Airway Problems in Children
ElectricAirway: Upper Airway Problems in Children: Croup Syndromes
Answer to 3
Donna M. Santer, M.D., Michael P. D'Alessandro, M.D.
Peer Review Status: Externally Peer Reviewed by Lauren D Holinger, MD, Robert J. Winter, MD and the AMA
The answer is B. X-Ray A shows hypopharyngeal distention and narrowing of the subglottic area. This is compatible with a diagnosis of croup. X-Ray C reveals normal lateral neck anatomy. The correct answer is X-Ray B showing thickening of the supraglottic structures including the epiglottis (red arrow),which is compatible with the diagnosis of acute epiglottitis. This classic radiographic sign is also known as the thumb sign.
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