How is epistaxis (nosebleed) categorized?

Updated: May 08, 2020
  • Author: Quoc A Nguyen, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Epistaxis can be divided into 2 categories, anterior bleeds and posterior bleeds, on the basis of the site where the bleeding originates (see the image below).

Posterior epistaxis from the left sphenopalatine a Posterior epistaxis from the left sphenopalatine artery.

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