Hearing Loss Flashcards
what is the weber test
tuning fork on middle of skull and ask if sides are same or one side louder than other
if weber test lateralizes what are the two possible causes?
conduction hearing loss in side that it lateralizes to or sensorineural in side not lateralizing to
what is rinne test?
put tuning fork on mastoid and in front of ear
what is normal result of rinne test?
should be louder when placed around the ear
what is rinne result with conduction hearing loss?
bone conduction is greater than air conduction
what is hearing loss with age called/
presbycusis
is presbycusis sensorineural or conduction loss?
sensorineural
is presbycusis loss of high pitch or low pitch sounds?
high pitch
conductive HL on audiometry shows what change?
bone has higher line than the ear
sensorineural HL on audiometry shows what change?
bone and ear of affected side will be lower than other ear
what is otosclerosis?
when stapes gets sclerotic and stuck in place at the oval window
what type of hearing loss is otosclerosis?
conductive
when may otosclerosis speed up?
pregnancy
what is Rx for otosclerosis?
stapedectomy
what is a common infectious cause of conductive hearing loss?
otitis media
what is CSOM?
chronic supporative otitis media
what is often the cause of CSOM if you dont have cholesteatoma with it?
perforated tympanic membrane
what happens with perforated tympanic membrane?
chronic purulent otorrhea
what is cholesteatoma?
accumulation of keratin an debris from skin cyst in the middle ear
what does cholesteatoma present with?
painless otorrhea
what is hearing loss type in cholesteatoma?
conductive loss
what is often the cause of sudden sensorineural HL?
viral pathogen
if sudden sensorineural loss isnt a virus, what might it be?
vascular occlusion or vestibular schwannoma
what is a common protein lost in hereditary sensorineural loss?
connexin 26
what is noise induced sensorineural HL a problem with?
mainly early hair cells in cochlea…so high pitches lost
