Middle Ear Flashcards

1
Q

________ are when the three ossicles somehow get dislocated and then the chain becomes separated which means that the energy can’t get passed from the TM to the oval window

A

Ossicular chain injuries

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2
Q

______ is when the ossicular chain gets calcified which causes a difference in weight, Also causes CHL

A

Otosclerosis

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3
Q

_______ is represented on an audiogram as a carhart notch

A

otosclerosis

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4
Q

a notch at 2000 Hz is _____________

A

otosclerosis

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5
Q

_______ is an infection of the middle ear

A

otitis media

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6
Q

_________ is a tumor in the middle ear

A

cholesteatoma

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7
Q

____________ is when a violent closed head injury (especially if associated with a temporal bone fracture) causes the ossicles in the middle ear to become seperated

A

ossicular chain dysfunction

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8
Q

Ossicular chain dysfunction causes what type of hearing loss?

A

Moderate conductive hearing loss

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9
Q

The 3 bones based on the impedance mismatch give a 30dB gain so when there is disruptance in the bones the job isn’t getting completed so you end up with a conductive hearing loss of _________dB

A

30

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10
Q

_______ fixation of the stapes (extra deposit at the stapes)

A

otosclerosis

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11
Q

otosclerosis causes a _______ HL

A

conductive

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12
Q

Beginning stage of ________ on an audiogram is an air born gap in the LF

A

otosclerosis

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13
Q

Otosclerosis causes a ___________

A

slight HL emerging in LF

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14
Q

Advanced stage of otosclerosis causes what?

A

CHL across all frequencies

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15
Q

________ is known as an infection of the middle ear

A

otitis media

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16
Q

________ (AOM) rapid onset lasts 10 days. Symptoms include redness of TM pain and sometimes starts with a respiratory infection

A

acute otitis media

17
Q

_________ (COM) is a long and slow onset that takes 3 or more months for recovery.

A

chronic otitis media

18
Q

_________ in between acute and chronic

A

subacute

19
Q

__________ 3 or more times in 6 months or 4 or more times in 12 months

A

recurrent otitis media

20
Q

_________ starts from either a cold, allergies, smoke or anything else that can cause an obstruction of the eustachian tube.

A

otitis media

21
Q

Otitis media can either create a 5-10 db hearing loss or if serious a ______ mild to moderate HL

A

40-50 dB

22
Q

_______ infection of the middle ear. Fluid in the middle ear space or discharge

A

acute otitis media

23
Q

__________ is fluid in the middle ear space

A

effusion

24
Q

__________ is discharge

A

otorrhea

25
Q

__________ is commonly defined as middle ear effusion with TM inflammation with rapid onset of symptoms such as fever irritability or earache

A

acute otitis media

26
Q

__________ untreated COM causes CHL it is the expanding collection of TM debris errodes the ossicles leading to CHL

A

Cholesteatoma

27
Q

treatment of otosclerosis ______ removing the ossicle and putting in place a titanium piece

A

stapedectomy

28
Q

treatment of mastoiditis __________ removing part of the mastoid

A

mastoidectomy

29
Q

treatment of otitis media

A

antibiotics, myrintotomy, ventilation tubes, tympanoplasty, tonsillectomy and adenoidectomy.