THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Epiglottitis
  • Subglottic Croup

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    Subglottic Croup

    This anterior-posterior x-ray shows characteristic subglottic narrowing of the airway (steeple sign) caused by croup.

    Image provided by Clarence T. Sasaki, MD.

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