Term
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Definition
| dysfunction of the outer or middle ear |
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Term
| sensory-neural hearing impairment: |
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Definition
| pathology in the inner ear, or along the nerve pathway from the inner ear to the brain stem |
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Term
| mixed hearing impairment: |
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Definition
| symptoms of both conducive and sensory-neural |
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Term
| unilateral hearing impairment |
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Definition
| normal hearing in one ear, hearing loss in other ear |
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Term
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Definition
| occurs between -10 decibels and 20 decibels |
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Term
| most common cause of hearing impairment, and other risk factors |
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Definition
most common cause: normal aging
others: exposure to excessive noise, cerumen impaction, ototoxic meds, tumors, and diseases
also: smoking, diabetes, CVD |
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Term
| noise trauma injures cells where? |
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Definition
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Term
how many school aged have hearing loss?
college grads? |
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Definition
12-15% school aged
15% college grads |
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Term
| USPSTF recommendations for screening or hearing loss |
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Definition
B grading for adults >65.
-periodically; left to PCP
-questions about hearing recommended
-otoscopic exam and audio metric test: recommended for pts with evidence of impaired hearing
-audioscope testing: discussed but not rec for or against |
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Term
| clinical manifestations of hearing impairment |
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Definition
| occurs gradually, depends on intensity & frequency of noise, volume and duration of noise, tinnitus, temporary threshold shift, risk increases with exposure and frequent temporary threshold shifts |
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Term
| how should hearing screening be done? |
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Definition
| case hx, visual inspection of the ear, pure-tone screening, and screening by self-assessed judgment of hearing difficulty |
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Term
| cerumen impaction: results in and prevalence |
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Definition
results in substantial hearing loss
found in up to 30% of elderly patients with hearing loss |
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