How is tympanocentesis performed in acute otitis media (AOM)?

Updated: Sep 25, 2019
  • Author: John D Donaldson, MD, FRCSC, FACS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Generally, tympanocentesis is performed without anesthesia after sterilization of the ear canal with isopropyl alcohol or povidone-iodine solution. Insert a needle through the anterior portion of the tympanic membrane, and aspirate the contents of the middle ear into a sterile trap for identification of microbes and their properties.

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