hearing Flashcards
every newborn has hearing screened via
cochlear microphonic
how can afferent signal to brain be measured externally?
auditory brainstem response
is a cochlear ABR a measure of hearing?
NO, it is a measure of perception
what is the gold standard for testing hearing
behavioral testing
pediatric behavior testing for hearing is?
visual reinforcement audiogram
a normogram for select frequencies designed to best reflect hearing necessary for language
audiogram
audiogram with identical air-conduction and bone-conduction thresholds
sensorineural hearing loss
audiogram with an air-bone gap
conduction hearing loss
fxn of otoacoustic emissions
indicates that cochlear fxn is intact
what is the only thing that can assess the sensory experience of hearing
audiogram
gold standard for documentation of middle ear status
tympanometry
tympanometry tries to find…..
the optimal compliance of the ear drum
type of hearing loss: abnormality of cochlear fxn of conductive pathways thru brainstem
sensorineural hearing loss
type of hearing loss: abnormality of amplification of signal
conductive hearing loss
name that tympanogram type: normal
type A
name that tympanogram type: abnormal with negative pressure
type C
name that tympanogram type: no compliance
type B
most common pediatric etiology of conductive hearing loss
middle ear effusion
most common adult etiology of conductive hearing loss
long standing chronic ear disease
less common conductive hearing loss causes: in kids _____, in adults______
auricular atresia; otosclerosis
most common pediatric cause of sensorineural hearing loss
congenital
most common adult cause of sensorineural hearing loss
presbycusis
what can be used to tx unilateral profound sensorineural hearing loss
BAHA
what can be used to tx bilateral conductive hearning loss that cannot be amplified
BAHA
what is BAHA
allows for direct stimulation of cochlea
