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PHA BLK 5 > Understanding Audiogram and Employee Follow-Up > Flashcards

Understanding Audiogram and Employee Follow-Up Flashcards

1
Q

hearing test are documented on these two basic types of audiograms

A

serial
graphic

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2
Q

documents hearing Air Conduction thresholds numerically

A

serial audiograms

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3
Q

usually used by audiologists
results are displayed on a chart using symbols to identify thresholds

A

graphic audiograms

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4
Q

normal hearing limits

A

-10 to 25 dB

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5
Q

mild hearing loss

A

30 to 40 dB

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6
Q

moderate hearing loss

A

45 to 55 dB

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7
Q

moderate-severe hearing loss

A

60 to 70 dB

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8
Q

severe hearing loss

A

75 to 90 dB

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9
Q

profound hearing loss

A

90+ dB

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10
Q

what constitutes normal hearing

A

threshold below 25 dB

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11
Q

pattern usually indicates a conductive hearing loss

A

flat audiograms

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12
Q

what else can cause flat loss

A

equipment malfunction
non-organic hearing loss

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13
Q

most common audiometric pattern
always indicate sensorineural involvement

A

sloping configuration

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14
Q

when does noise notch usually occur

A

4000 Hz
but can be anywhere 3000-6000 Hz

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15
Q

hearing improves in higher frequencies
NOT caused by noise
typically conductive

A

rising configuration

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16
Q

exception to rising configuration

A

meniere’s disease

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17
Q

hearing loss that occurs in one ear only
difference of 40-70 dB

A

unilateral hearing loss

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18
Q

hearing loss occurs in both ears, but one is considerably worse
greater than or equal to 25 dB @ consecutive frequencies

A

asymmetrical hearing loss

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19
Q

performed by audiologist

A

Bone Conduction (BC)
Masking

20
Q

bypasses the outer and middle ears and stimulates the inner ear

A

BC testing

21
Q

when BC thresholds are within normal limits and better than AC thresholds

A

conductive hearing loss

22
Q

when BC thresholds are about the same as AC thresholds

A

Sensorineural hearing loss

23
Q

BC thresholds are better than AC, but not within normal limits

A

mixed hearing loss

24
Q

used by audiologist to prevent crossover in patients with unilateral or asymmetric hearing loss

A

masking

25
Q

represents the employee’s “best” hearing and serves as a baseline

A

reference audiogram

26
Q

reference audiograms are recorded on what form

A

Form DD 2215

27
Q

when can the baseline be re-established

A

after a provider determines a change in hearing

28
Q

identifies early changes in hearing by comparing current/reference audiogram

A

periodic audiogram

29
Q

periodic audiogram is documented on what form

A

DD Form 2216

30
Q

testing criteria for periodic audiogram

A

no noise free requirements
can have ENT problems

31
Q

no shift (annual/term)

A

RTD

32
Q

neg shift (annual/term)

A

F/U #1 (same day)

33
Q

no shift (1st F/U)

A

RTD

34
Q

neg shift (1st F/U)

A

RTD

35
Q

worker shows no change between annual and reference audiogram

A

praise worker
offer ear plugs
remind of next annual exam

36
Q

hearing has changed significantly at one frequency but not enough to generate an STS

A

early warning signs

37
Q

a significant change in hearing from the worker’s baseline threshold

A

Standard Threshold Shift (STS)

38
Q

what characterizes a STS

A

permanent/temporary
positive/negative
shift from baseline of 10 dB or more

39
Q

hearing levels are WORSE than baseline

A

positive STS

40
Q

worker signs what form when STS occurs

A

DD Form 2216

41
Q

pos shift (annual/term)

A

F/U #1 (within 30 days)

42
Q

no shift (F/U #1)

A

RTD

43
Q

pos shift F/U #1

A

F/U #2 (same day)

44
Q

no shift (F/U #2)

A

RTD

45
Q

pos shift (F/U #2)

A

referral
calculate for OSHA

46
Q

(T/F) OHC should not attempt to interpret an audiogram received from the audiologist

A

True

PHA BLK 5 (11 decks)

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