Get answers to your Hearing, Tinnitus and Balance questions.
Audiometry; Hearing test; Audiography (audiogram)
There are many different kinds and degrees of hearing loss. In some types, you only lose the ability to hear high or low tones, or you lose only air or bone conduction. The inability to hear pure tones below 25 dB indicates some hearing loss.
The amount and type of hearing loss may give clues to the cause and outlook.
The following conditions may affect test results:
Kileny PR, Zwolan TA. Diagnostic audiology. In: Cummings CW, Flint PW, Haughey BH, et al, eds. Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 133.
Norton SJ, Bhama PK, Perkins JA. Early detection and diagnosis of infant hearing impairment. In: Cummings CW, Flint PW, Haughey BH, et al, eds. Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 190.
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