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30 Cards in this Set

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Audiological screening is a pass fail procedure to.. (3 reasons)
1. prevent or detect early auditory impairment, disorder and disability
2. to i.d. individuals who require further audiological assessment and/or treatment
3. referral for professional services
What are the 2 different approaches to screening?
1. medical model
2. educational model
Which screening approach does this define..."focus is broader, identification, screening, tracking, referral, follow up, advocacy"
educational
Which screening approach does this define..."condition for which an individual is screened should lend itself to binary outcome, either pass/fail"
medical
2 concepts important to screening are:
sensitivity and specificity
What does sensitivity mean?
how effective procedure is in identifying a disorder
What does specificity mean?
how effective procedure is in passing individuals who do not have disorder
What is a negative false positive result?
when a person fails even when they can pass
What is a false negative result?
pass screening with disorder
What is a valid measure?
when the instrument measures what it is supposed to measure
What is a reliable measure?
when the measure is consistent across different situations
What are two decisions to make when deciding on the pass/fail criteria?
1. checking the screening level and making sure it is not too high or too low
2. using specific frequencies
What are three factors that are influenced if a screening level that is to high or low ?
referral rate, specificity, sensitivity
Which frequencies does ASHA emphasize to use during screenings?
middle to high frequencies
What kind of equipment would you use for an infant during screening?
otoacoustic emissions or auditory brainstem responses
Are screenings done only to identify hearing loss?
No. they are also done to identify outer and/or middle ear disease.
Which population would screening for outer and/or middle ear disease be the most important?
preschool children
What type of equipment is calibration the most important for?
portable equipment
How often should you calibrate?
at least once a year
When can subjective calibration be done?
immediately prior to a screening by the audiologist
Are screenings done only to identify hearing loss?
No. they are also done to identify outer and/or middle ear disease.
Which population would screening for outer and/or middle ear disease be the most important?
preschool children
What type of equipment is calibration the most important for?
portable equipment
How often should you calibrate?
at least once a year
When can subjective calibration be done?
immediately prior to a screening by the audiologist
What are 6 things you check for during subjective calibration?
tone audible, check L and R ears, unwanted sounds, in and decrease audible in tone, changes in frequency, linear fashion or in jumps of changes in frequency and intensity
Would you use an audiogram to interpret results from a hearing screen?
No. It is better to create your own form. You do not use an audiogram because you are not measuring thresholds.
What are two reasons to keep in mind when avoiding overinterpretation of findings, such as, claiming a child has normal hearing?
1. hearing is more than just perception of tones but also involves recognition and reception of speech stimuli
2. screening only represents that point in time
What are 6 components(steps) significant to the screening procedure?
1. non diagnostic otoscopy
2. instructions and ear phone placement
3. assure conditioning
4. group vs individual instructions
5.administering the screening
6. making recommendations
What is the 1-3-6 rule regarding the screening protocol for infants?
screen by 1 month, identify hearing loss by 3 months, intervention by 6 months