How is otitis media diagnosed?

During the examination, the doctor will use an instrument called anotoscope to assess the ear’s condition. With the anotoscope, the doctor will check for redness in the ear and/or fluid behind the eardrum. With the gentle use of air pressure, the doctor can also see if the eardrum moves. If the eardrum doesn’t move and/or is red, an ear infection is probably present. Two other tests may be performed for more information:

  • An audiogram tests if hearing loss has occurred by presenting tones at various pitches.
  • A tympanogram measures the air pressure in the middle ear to see how well the Eustachian tube is working and how well the eardrum can move.
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