How is measurement of the epiglottis used to diagnose epiglottitis?

Updated: Apr 28, 2020
  • Author: Sandra G Gompf, MD, FACP, FIDSA; Chief Editor: Jeter (Jay) Pritchard Taylor, III, MD  more...
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The epiglottis is usually 3-5 mm thick; in a small, retrospective study of 30 patients with epiglottitis, using a criterion of 7-mm thickness provided 100% sensitivity and specificity for adult acute epiglottitis. [21] The same small retrospective study yielded 83% sensitivity and 100% specificity for an aryepiglottic fold width greater than 4.5 mm. [21]

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