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38 Cards in this Set
- Front
- Back
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To maximize outcomes for identifying hearing losses infants Must be screened no later than ____ year of age
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1
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Diagnostic hearing eval (comprehensive audiologic eval) should be completed by _____ months of age for those with who didn't pass it the first time
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3
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For those found to in fact have hearing loss, some sort of intervention should be made by ___ months of age
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6
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Babies who spend more than 5 days in the NIC-U- those babies should have an _________ screening.
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ABR
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If NIC-U babies fail the screening, they should be referred to an audiologist for a re-screening. When the baby is rescreened, which ear/s should be tested again?
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Both ears (even if the baby only failed one ear in the original test)
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According to JCIH ____________________ is now included in the category of hearing loss
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Auditory neuropathy
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True or False. If baby is readmitted to hospital in first month of life & if that baby has condition associated with potential hearing loss, hearing should be rescreened (whether baby is in nic-u or well baby nursery).
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True
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For infants birth to six months, what are some type of appropriate audiologic evaluations?
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Frequency specific ABR, A click evoked ABR, Tympanometry, & Soundfield measurements
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ABR click that causes diaphragm of earphone to move in positive direction toward tympanic membrane
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condensating click
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ABR click that causes diaphragm of earphone moves in negative dir away from tympanic membrane
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rarefaction click
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Tympanometery used to measure infant hearing should have a ________Hz probe tone
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1000
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If a child fails a screening with an ABR, they must be retested with an ________. If they fail the OAE, they can be retested with either the ABR or the OAE. If they fail the OAE and pass the ABR it is considered a pass.
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ABR (This is because ABR tells us about the inner ear and the neural function)
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__________ are the more extensive test.
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ABRs
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If they fail the OAE, they can be retested with_____________.
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either the ABR or the OAE
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What are the two types of otoacoustic emissions?
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Spontaneous and Evoked
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OAEs that require a stimulus of some sort to produce them
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Evoked Otoacoustic Emissions
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OAEs that occur spontaneously
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Spontaneous Otoacoustic Emissions
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Why are Evoked OAEs a key clinical tool for the detection and diagnosis of hearing loss?
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They are sensitive to damage to the hair cells in the cochlea
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What are the three types of evoked OAEs?
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Transient Evoked OAEs (TOAEs)
Distortion Product OAEs (DPOAEs) Stimulus-frequency OAEs (SFOAE)--->least common |
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Which type of OAE uses a click/toneburst as a stimulus?
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TOAEs
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Which type of OAE uses a 2 continues pure tones as a stimulues?
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DPOAEs
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After 3rd grade, screenings may occur every 3-4 yrs with the exception of:
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Pre-existing HL
Special Ed students Children w/ multiple handicaps Children w/ frequent colds and infections Poor school performance or change in performance Speech and language delay Behavioral problems |
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What are some advantages of waiting to screen preschool/school aged children?
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Easier to test children
IDs children with progressive HL Transient students may be identified |
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What is a disadvantage of waiting to screen preschool/school aged children?
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Problematic because hearing loss (HL) effects speech/lang. development
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What are the ASHA recommended screening frequencies for preschoolers? To pass individual must respond to _____ frequencies
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1, 2, 4 kHz at 20dB HL
all |
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Include ______ Hz testing for preschoolers if immitance not included and if environmental noise permits
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500
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If a preschooler fails a hearing exam, he/she should be re-screened within same session or no later than __________
Another failure requires referral for __________________ |
1 week
threshold testing |
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If You do Oaes & use Toaes and responses are absent you know that hearing loss is greater than ______ dB
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35
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ABR screenings are typically at _____ dB. If you are not passing the ABR screening, they probably have a hearing loss that is greater than ____ dB
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40
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Screening programs for Adults are not very prevalent and mostly occur in __________________________________
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community health fairs, nursing homes, and the like
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Medical community frequently overlooks unless there are ____________________
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complaints about hearing
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Some advocate screenings for adults at:
______-______ dB HL at all frequencies Or, ____– _____ db HL for__-_ kHz and ____ dB for _____Hz |
20-25
20-25 HL for 1-2 kHz and 40 db HL for 4 kHz |
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What are some Advantages of Otoacoustic Emissions in Assessing Auditory Function?
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Objective
Noninvasive Repeatable and precise Specific to outer hair cells and thus preneural in origin Present in approximately 100% of ears Absent or reduced in hearing impaired ears Testing can be administered by support personnel Provide frequency specific information |
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What is a Welch-Allen Audioscope?
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a handheld audioscope with a built in audiometer that is used to test hearing on adults. Delivers tones at 25 or 40 db HL for 500, 1000, 2000 and 4000 Hz. High level of sensitivity and specificity and it has an excellent test-retest reliability
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What is a communication scale?
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A self report test used to measure the hearing of adults that contains 10 items, 5 dealing with the social aspects of hearing loss and 5 dealing with the emotional aspects of hearing loss
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What is the most efficient way to measure the hearing loss of an adult?
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A combination of the Welcher-Allen Audioscope and the communication scale
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What are some methods used to test for middle ear disease in children?
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Electroacoustic immitance and acoustic reflectometry
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What was one problem with electroacoustic immitance?
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It was hard to identify pass fail criteria
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