Type Ad Tympanogram: Signs, Causes, And Diagnostic Implications

Type Ad tympanogram is characterized by a peak admittance value at higher pressures, above -100 daPa. This indicates a decrease in middle ear compliance, often associated with otosclerosis, ossicular fixation, or Eustachian tube dysfunction. It is a less common type of tympanogram and requires further evaluation to determine the underlying cause.

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