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audiology-chap 4

interpreting the audiogram

QuestionAnswer
when do you measure at inter octave levels when there is a 20dB difference in hearing between frequencies
for an adult, hearing is between 0-25 dBHL so hearing is Normal
for an adult, hearing is between 26-40 dBHL so hearing is mild hearing loss
for an adult, hearing is between 41-55 dBHL so hearing is moderate hearing loss
for an adult, hearing is between 56-70 dBHL so hearing is moderately severe hearing loss
for an adult, hearing is between 71-90 dBHL so hearing is severe hearing loss
for an adult, hearing is greater than 90 dBHL so hearing is profound hearing loss
for a child, hearing is between 0-15 dBHL so hearing is normal
for a child, hearing is between 16-20 dBHL so hearing is slight hearing loss
for a child, hearing is between 21-40 dBHL so hearing is mild hearing loss
for a child, hearing is between 41-55 dBHL so hearing is moderate hearing loss
for a child, hearing is between 56-70 dBHL so hearing is moderately severe hearing loss
for a child, hearing is between 71-90 dBHL so hearing is severe hearing loss
for a child, hearing is greater than 90 dBHL so hearing is profound hearing loss
sensory classification hearing loss is the same by air and bone
conductive classification normal hearing by bone, hearing loss by air
mixed classification hearing loss by air is worse than loss by bone
in determining the traditional pure-tone average, the frequencies used are 500, 1K, 2K
Created by: schaunag