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Audiology and ENT Yr2 > Congenital Hearing Impairment- Management > Flashcards

Congenital Hearing Impairment- Management Flashcards

1
Q

What is the UNHS?

A

It is the screening test to test for hearing impairment in babies.

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2
Q

What happens if a baby fails the UNHS?

A

There is a further diagnostic test to confirm deafness.

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3
Q

Sometime infants can pass the UNHS but…

A

Parents are concerned.

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4
Q

What is the subjective confirmation of thresholds?

A

Age appropriate audiometry.

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5
Q

What is the earliest age that age appropriate audiometry can be used?

A

From 8 months- turn and respond.

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6
Q

Once a child turns 2, how is age-appropriate audiometry performed?

A

Hear sound= stack a building block.

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7
Q

Up to ages 4, what is the problem with age appropriate audiometry?

A

It can only test the hearing of both ears.

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8
Q

Describe age-appropriate audimetry for 4+ year olds.

A

Headphones can be used

Can now test each ear individually- can indentify unilateral Hearing Loss.

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9
Q

What are some objective confirmation of thresholds?

A 
Tympanometry (should have a nice peak, checks for middle ear fluid)
Evoked Response Audiometry (electrodes- brain heard sound?)
Otoacoustic Emissions (congestion)
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10
Q

What is Evoked Response Audiometry useful for?

A

Very useful for newborn babies- older kids would have to be sedates, wouldn’t stay still etc.

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11
Q

What must we consider when telling parents that their child is deaf?

A
  • diagnosis of deafness is a “bad news” consultation
  • may show denial or grief reaction
  • time requires to accept diagnosis
  • easier to break news when parents suspect.
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12
Q

________ is only part of the process, _______ occurs over the years.

A

amplification

rehabilitation

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13
Q

Name professionals involved in the team approach.

A

TOD- teachers of deaf
SALT
Education Audiologist
ENT (insert cochlear implant etc.)

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14
Q

Describe the characteristics of hearing aids.

A
  • bilateral, behind the ears
  • robust (kids tend to eat/stand on them)
  • reliable- good repairs service
  • powerful
  • compatible with educational accessories (hooked up to teacher’s mic)
  • Digital.
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15
Q

What are some tricks of the trade when it comes to HA’s?

A
  • Change batteries weekly (means won’t run out)
  • Disposable batteries
  • Clip or toupee tape to keep in place
  • Change moulds regularly
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16
Q

Apart from HA’s name some other aids and strategies.

A
  • Radio Aids/ Induction Loops
  • Lights for alarm clock, phone, doorbell
  • Communication Strategies
  • Signing (speaking better for employment etc.)
  • Peer support- NDCS
17
Q

Why are bone conduction aids used?

A

Can’t wear a conventional Hearing Aid due to:

  • chronically discharging ears
  • atresia (absence) of pinna and canal eg. parts missing
  • abnormal ear shape.
  • some get infection from conventional HA
18
Q

How does the bone conduction aid?

A

There is a vibrator attached to the head band and applied to the skull.

19
Q

What is a disadvantage to bone conduction aids?

A

they can be uncomfortable for user.

20
Q

What do babies wear for bone conduction aids?

A

They wear a soft band around the head.

21
Q

What are some pros of BAHA?

A
  • Permanent
  • skull vibrated directly via osseointegrated titanium screw
  • excellent sound transmission (sound quality better than band)
  • cosmetically acceptable (+ prothesis)
  • comfortable
  • clip on/off, don’t have to wear band
22
Q

What does BAHA stand for?

A

Bone Anchored Hearing Aids.

23
Q

Name some cons of BAHA.

A
  • Limited power output, only for up to 40dB losses
  • Not as powerful as conventional HA
  • Easily Damaged
  • Needs looking after
  • Need a certain thickness of bone (age 2 years +)
24
Q

How does a cochlear implant clip on?

A

Via a magnet.

25
Q

What recieves the signals in a cochlear implant?

A

The reciever stimulator.

26
Q

What sits in the cochlea?

A

22-electrode.

27
Q

The magnet, antenna, reciever stimulator, 22-electrode and ball electrode make up the…

A

Internal component of the cochlear implant.

28
Q

If a child has hearing loss worse than 90dB, what is normally done?

A

Cochlear Implant is normally inserted.

29
Q

A cochlear implant is for the ________ ________ who aren’t progressing with HA’s.

A

Profoundly Deaf.

30
Q

how does a cochlear implant work?

A

Electrode inserted directly into cochlea to stimulate auditory nerves.

31
Q

What is needed before a cochlear implant is inserted?

A

Extensive pr-operation assessment.

32
Q

After a cochlear implant is inserted, what is needed?

A

Rehabilitation- learn to hear from robotic voice.

33
Q

The earlier the cochlear implant is inserted, the …

A

Better the speech and language.

34
Q

For the profoundly deaf why is there less pressure in terms of surgery?

A

Because they can’y do anything to make hearing worse, they can only make it better really.

35
Q

There are a wide range of _______ _____ available.

A

Hearing Aids.

36
Q

What hearing aids are used for special circumstances?

A

Bone conductors and BAHA (Bone Anchored Hearing Aids).

37
Q

____________ ____________ are for those not progressing with conventional aiding.

A

Cochlear Implants.

Audiology and ENT Yr2 (21 decks)

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