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 Hearing Impairment Projection - AAO 1979 :

All frequencies must 
be filled in with values in dB.

 If hearing threshold is greater than 100 dB enter 100 dB. If hearing threshold is less than zero dB 
enter 0 dB.

Patient's age must be greater than 18 yrs to calculate presbycusis.


250 Hz
500 Hz
1000 Hz
2000 Hz
3000 Hz
4000 Hz
6000 Hz
8000 Hz
Right

Left

 

Enter Patient's Age at time of Audiogram:

Enter Patient's Age for the Projected
Audiogram:

Directions:  Age is entered in years.  Two decimal points can be entered.  To calculate age from the patient's birth date to the audiogram's test date, use the "Find Years From Dates" screen button.

Presbycusis & Test Projection

Calculate Hearing Impairment

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