Term
| hearing loss involving problems with the external or middle ear |
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Definition
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Term
| hearing loss associated with problems of the inner ear: |
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Definition
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Term
| which has equal loss of hearing in all refquencies? |
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Definition
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Term
| which has better hearing at low frequencies? |
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Definition
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Term
| which has well preserved speach discrimination? |
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Definition
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Term
| which cranial nerve may be involved in sensorineural hearing loss? |
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Definition
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Term
| 3 causes of conductive hearing loss: |
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Definition
1. cerumen impaction
2. trauma
3. otosclerosis |
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Term
| define presbycusis: conductive or sensorineural? |
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Definition
| age related hearing loss: sensorineural |
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Term
| 6 causes of sensorineural hearing loss: |
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Definition
1. presbycusis
2. noise damage
3. genetic disorders
4. meniere disease
5. ototoxic drugs
6. sudden hearing loss |
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Term
| causes of cerumen impaction: |
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Definition
| wax build up, and pt induced impaction from q-tips |
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Term
| longitudinal fracture is asscoc. w.: |
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Definition
| conductive hearing loss via ossicular disruption |
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Term
| transverse fracture (less common) is assoc. w. : |
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Definition
| sensorineural hearing loss via vestibular/cochlear destruction |
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Term
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Definition
| stiffness of the ossicles |
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Term
| otosclerosis results is what type of hearing loss? |
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Definition
| progressive conductive hearing loss of low frequency range |
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Term
| 2 major causes of otosclerosis: |
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Definition
1. inherited condition in autosomal dominant pattern: women>men
2. bone degeneration disorders may cause stapes fixation |
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Term
| which frequency is affected in presbycusis? |
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Definition
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Term
| associated with dificulty in speech discrimination and central auditory processing of information |
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Definition
| sensorineural hearing loss; presbycusis |
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Term
| most common cause of preventable hearing loss: |
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Definition
| NIHL: noise induced hearing loss |
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Term
| susceptablility to NIHL may be influenced by: |
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Definition
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Term
| what type of hearing loss is NIHL |
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Definition
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Term
| NIHL causes damage to the: |
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Definition
| hair cells of the cochlea |
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Term
| increased pressure within the inner ear endolymphatic system |
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Definition
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Term
| the increased pressure in meniere disease casuses destruction of: |
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Definition
| vestibular and cochlear hair cells |
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Term
| 4 symptoms of meniere disease: |
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Definition
1. vertigo
2. fluctuating hearing loss
3. tinnitus
4. ear fullness |
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Term
| does Meniere disease have a genetic influence? |
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Definition
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Term
| what is the mean age range for meniere disease? |
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Definition
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Term
| ototoxic drugs cause damage to: |
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Definition
| cochlear or vistibular apparatus |
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Term
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Definition
| bilateral high frequency hearing loss and tinnutis |
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Term
| abrubt rapidly progressive hearing loss |
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Definition
| idiopoathic sudden hearing loss |
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Term
| 4 postulated etiologies for idiopathic sudden hearing loss: |
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Definition
1. viral infections
2. vascular compromise
3. intracochlear membrane rupture
4. immune mediated inner ear disease |
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Term
| common diagnostic criteria for idiopathic sudden hearing loss |
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Definition
| hearing loss of >30dB over 3 contiguous puretone frequencies |
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Term
| describe a positive Rinne test: |
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Definition
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Term
| what does a negative Rinne test mean? |
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Definition
| bc>ac = negative; conductive hearing loss |
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Term
| Rinne test & sensorineural hearing loss |
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Definition
| bone conduction & air conduction are both equally depreciated, maintaining a relative difference of ac>bc = positive (normal) |
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Term
| Weber test and conductive hearing loss: |
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Definition
| sound is louder in the ear that is problem |
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Term
| Weber test & sensorineural |
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Definition
| sound is louder in the better ear |
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Term
| patients are screened negative for hearing loss if they can hear: |
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Definition
| 40dB tone at 2000Hz in both ears |
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Term
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Definition
| method of testing the middle ear and the mobility of the tempanic membrane |
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Term
| which method is the cornerstone of most auditory examinations? |
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Definition
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Term
| which people may not benefit from hearing aids? |
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Definition
| those with poor speach discrimination or with central auditory processing problems |
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Term
| 4 styles of hearing aids: |
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Definition
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Term
| 6 contraindications for cochlear implants: |
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Definition
1. defness due to lesions of CN8 or brainstem
2. absence of hair cells
3. chronic mid ear infections
4. TM perforation
5. lack of realistic expectations
6. lack of desire to develop oral communication. |
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