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Normal audiogram

Authoring team

Normal Audiogram

 

 

Line graph showing hearing levels at different frequencies in Hz, with blue and red lines indicating different data sets and markers at 125, 250, 500, 1000, 2000, 4000, and 8000 Hz frequencies.

 

x - left, air conduction o - right, air conduction

 

 

 

With thanks to Wendy Pallant of Teaching Resources And INformation for allowing the use of this diagram on GPnotebook

Degrees of Hearing Loss (1):

Normal Hearing

-10-26 dB

Mild Hearing Impairment

27-40 dB

Moderate Hearing Impairment

41-55 dB

Moderately Severe Impairment

56-70 dB

Severe Hearing Impairment

71-90 dB

Profound Hearing Impairment

>= 91 dB

 

Reference:

  • 1. Katz, J. Handbook of Clinical Audiology, Williams and Wilkins, 1985.

 

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