What causes acute myringitis with acute otitis media?

Updated: Oct 19, 2018
  • Author: John Schweinfurth, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Acute myringitis with acute otitis media

  • The TM is involved in the initial stage of acute otitis media (AOM), the stage when negative pressure is formed in the middle ear space.

  • During this time, the handle of the malleus, the lateral process of the malleus, and the TM bulge outward. The pars flaccida is also noticeably affected.

  • With the appearance of fluid in the middle ear, these phenomena disappear from the surface of the TM, so observing the fluid is possible.

  • The inflammatory process of an upper respiratory tract infection affects the TM in the form of myringitis. The TM becomes red and thickened, and the light reflex disappears.

  • Increased inflammation in the middle ear results in bulging of the TM with possible perforation. This is accompanied by intense earache and by typical clinical manifestations of AOM.


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