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14 Cards in this Set
- Front
- Back
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MCC hearing loss in elderly?
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- presbycusis- age related hearing loss- sensorineural
- normal rinne test- hence no middle ear problem |
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hearing loss 2/2 lesion in brainstem/temporal lobe?
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- rarely enough damage to cause unilateral hearing loss as each cochlear nucleus projects to both temporal lobes
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rinne test
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- sensorineural hearing loss - normal results with air >brone
- middle ear deafness: bone > ear |
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acoustinc trauma e.g bomb going off
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- cochlea damage => high tone conduction loss by eardrum perf
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which artery causes vertigo in stroke?
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- PICA: medial and lateral branches
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vertibrobasilar ischemia
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- vertigo produced with extension or rotation of head b/c vertebral artery is occluded
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meniere dz hearing loss
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- lose low tones (unlike old age, where lose high tones)
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toxic labrynthitis
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- main sx is vertigo
- salicylates, aminoglycosides |
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tinnitus from which drug?
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ASA
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acoustic schwannomas
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- seen in NF2, often CN VIII
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olfactory fibers
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- unique b/c doesn't go through thalamus
- goes to 34 of brodmann hippocampal gyrus |
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Foster-Kennedy syndrome
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- ipsilateral optic atrophy contralateral papilledema
- 2/2 olfactory groove meningioma => compression optic nerve => atrophy and increased ICP => papilledema in contralateral eye |
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BPPV
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- calcified otolithic materal in posterior semicircular canal
- tx: vestibular exercise |
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meniere's
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- vertigo, hearing loss
- ?increased volume endolymphatic fluid - tx: salt restriction, diuretics |
