Collaborative Hypertext of Radiology
- usually viral in origin
- sx: barking cough
The subglottic area of the larynx has a
loose mucosal attachment that narrows rapidly with edema
causing respiratory distress and inspiratory stridor.
- reflex inspiratory distention of hypopharanyx
- conically narrowed air column ("pencil point") in
need approximately 130 kVp exam of soft tissues
Brian Funaki, MD - 6 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.