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19 Cards in this Set
- Front
- Back
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Weber
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Tuning fork on vertex of head
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Rhinne
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Tuning fork on mastoid then in front of ear
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Weber and Rhinne sensorineural hearing loss.
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Sensorineural defect
Weber test: lateralizes to normal ear (contralateral ear is affected). Rinne test: air conduction > bone conduction in both normal and affected ear |
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Weber and Rhine conduction hearing loss
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Conduction defect
Weber test: lateralizes to affected ear Rinne test: bone conduction > air conduction in affected ear |
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pathogenesis of Meniere’s disease
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Increased endolymph in inner ear and loss of cochlear hairs
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clinical findings of Meniere’s disease
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Clinical: dizziness, vertigo, tinnitus, sensorineural hearing loss
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how Meniere’s disease differs for an acoustic neuroma
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Vertigo, patient feel likes room is spinning, in Meneire's disease.
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pathogenesis of presbycusis
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Due to degeneration of cochlear hairs in organ of Corti
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type of hearing loss in presbycusis
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Sensorineural hearing loss
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clinical finding in the elderly in presbycusis
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Most common cause of sensorineural hearing loss in elderly
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pathogenesis of otosclerosis
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-Due to fusion of middle ear ossicles
-Other causes of conduction defects: -impacted cerumen in outer ear canal; -otitis media |
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type of hearing loss of otosclerosis
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Most common cause of conduction deafness in elderly
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clinical findings of otosclerosis
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Conduction defect
Weber test: lateralizes to affected ear Rinne test: bone conduction > air conduction |
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type of hearing loss in otitis media
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Most common cause of conduction deafness in children
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common pathogens associated with otitis media
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Most commonly due to Streptococcus pneumoniae.
Other causes: H. influenzae, Moraxella catarrhalis |
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clinical findings (be able to recognize)in otitis media
slide 74 |
Conduction defect
Weber test: lateralizes to affected ear Rinne test: bone conduction > air conduction |
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definition of external otitis
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Inflammation of outer ear canal
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pathogens in swimmer’s ear (be able to recognize) in external otitis
Slide 75 |
"Swimmer's ear: due to Pseudomonas aeruginosa, S. aureus, Aspergillus species
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cause of malignant external otitis in diabetics.
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Malignant external otitis: severe infection of outer ear canal in patients with diabetes mellitus. Pseudomonas aeruginosa most common cause.
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