Acute Otitis Media

Acute otitis media is seen through an otoscope. Pus is present in the middle ear behind the red inflamed tympanic membrane. A normal tympanic membrane is shown on the right for comparison.

(From KJ Knoop, Atlas of Emergency Medicine, 1977, McGraw- Hill, Fig. 5.3 and 5.1, courtesy of Richard A. Chole, MD, PhD; with permission.)