Otology Flashcards

(71 cards)

1
Q

List the components of the external ear.

A

Pinna
Ear canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

List the components of the middle ear.

A

Tympanic membrane
Ear ossicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

List the components of the inner ear.

A

Semi-circular canals
Cochlea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name the three ossicles of the middle ear.

A

Malleus
Incus
Stapes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Otalgia?

A

Ear pain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What should be asked about hearing loss?

A

Gradual or sudden
Unilateral bilateral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What should be asked about tinnitus?

A

Type of noise e.g. whooshing, ringing, buzzing.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What can otalgia be associated with?

A

Fever
Infection
Earache

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Do chronic or acute conditions usually cause earache?

A

Acute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which type of cancer could cause earache?

A

Tonsillar cancer

->especially something to be aware of if an elderly patient presents with earache.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which skin condition can cause ear infections?

A

Eczema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which instrument is used to examine the ear?

A

Otoscope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What would you see in a normal tympanic membrane?

A

Light reflection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

In people with normal hearing, what is better- air conduction or bone conduction?

A

Air conduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Name a situation where bone conduction may be better than air conduction

A

If there has been a perforation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

If a patient has wax in the ear, what should be done?

A

If causing symptoms, it can be removed.
If not, will clear on it’s own.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

If a patient is going to get wax removed, what can be done first?

A

Olive oil/almond oil ear drops to thin the wax

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What can be done if there is no improvement of ear wax after using ear drops?

A

Ear Irrigation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

If a patient has bleeding in the ear after trauma, e.g. RTA, what may be the cause?

A

Base line fracture of skull

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Name some inorganic foreign bodies.

A

Beads, plastic material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Name some organic foreign bodies.

A

Cotton buds
Nuts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which type of foreign body can cause more damage?

A

Organic foreign bodies-> can cause excoriation of skin and lead to otitis media in some cases.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What should be done in the cases of foreign bodies?

A

Should be removed, quicker if organic FB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What should be done in the cases of penetrating trauma to ear?

A

Do not prod, leave it and review in six weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is the treatment for acute otitis externa?
Topical antibiotics NO WATER IN EAR -Sofradex -Gentisone HC ear drops Otomize spray
26
If patient has history of ear infections, which medication should not be given and why?
Aminoglycosides as can cause sensory neural hearing loss
27
What should be used in the treatment of acute otitis externa if the tympanic membrane is perforated or not visible?
Cilodex- combo of Ciprofloxacin and dexamethasone
28
Your patient with otitis externa ignores advice and goes swimming. The ear becomes swollen so you can hardly see the ear canal and secretions cannot come out of the ear, causing a lot of pain. What can be done?
Use a Pope Wick, a small tampon, to put through the small slit and add drops to keep the ear canal open and stop it collapsing. ALso can put ear drops using this Pope Wick
29
What may happen is otitis externa gets even worse after the ear canal has closed?
May develop into cellulitis
30
What should be done with someone with cellulitis of the ear?
Admit to hospital IV antibiotics Topic antibiotics
31
A patient presents with itchy ears after coming back from holiday. The patient swam a lot on this holiday. What is the likely problem?
Fungal infection of ear
32
Therefore, which patients are more likely to get fungal infections in their ear?
Those with chronically wet ears
33
What is the treatment for fungal otitis externa?
Keep ears dry Topical clopizadrole or nystatin ear drops
34
A 65yr old patient presents with six weeks of ear ache and ear discharge. His GP prescribed topical antibiotics which have not helped. What may be the cause?
Malignancy- necrotising otitis externa
35
In which patients may necrotising otitis externa be seen?
Elderly, immunosuppressed, diabetic
36
What else may a patient with necrotising otitis externa present with?
Facial nerve palsies
37
Which organism commonly causes necrotising otitis externa?
Pseudomonas
38
What is the drug of choice to treat against Pseudomonas?
Ciprofloxacin
39
Which tests should be done in someone with suspected necrotising otitis externa?
Swab Fasting blood sugar- diabetic patients CRP
40
What is the management for someone with necrotising otitis externa?
Immediate referral to ENT Systemic anti-pseudomonas antibiotics Control of diabetes Possibly surgery
41
What are exostoses?
Multiple swellings of the ear due to body overgrowths in the ear canal
42
What is the management for exostoses?
If doesn't affect hearing, nothing. Some people have surgery to widen ear canal or remove the exostoses.
43
What is an ear osteoma?
Benign wound tumour, bony lesion
44
What is the treatment of an osteoma?
Nothing, can leave it in most cases
45
What would be done if you suspect otitis media with effusion (glue ear)?
Audiogram to confirm diagnosis
46
What is the treatment for otitis media with effusion if it doesn't go away on it's own?
Grommet insertion
47
A patient comes in with recurring discharge in the ear. He has had previous grommet insertions and upon examination, the eardrum is not intact. There has been perforation of the tympanic membrane. What could this be?
Chronic otitis media with perforation in active state
48
Which drug would be given in treatment of tympanic membrane perforation?
Cilodex
49
After 2 weeks on Cilodex, and a patient still has discharge, what would you do?
Refer to ENT
50
What may be done if ear discharge persists?
Myringoplasty, a type of surgery
51
What may occur if a patient has had previous grommet insertions and has no symptoms but upon examination, the ear looks abnormal?
Tympanosclerosis- scarring of the ear drum...nothing needs to be done
52
What is cholesteatoma?
Abnormal collection of skin cells within the ear
53
What can happen in those with chronic otitis media with cholesteatoma?
Can eat away at the ossicles and cause balance issues.
54
What is the treatment for those with chronic otitis media with cholesteatoma?
Temporal mastoid surgery
55
If a patient had retraction of the tympanic membrane, which structure of the ear is altered?
Eustachian tube problems
56
A child is referred to you from the GP. The GP says she has swelling over the mastoid bone, severe pain and fever. What could this be?
Acute mastoiditis
57
What happens if acute mastoiditis is not treated?
Will form brain abscess.
58
Which imagery investigation is done to confirm acute mastoiditis?
CT
59
Which vitamin deficiency can cause BPPV (benign paroxysmal positional vertigo).
Vitamin D deficiency
60
What is the treatment for BPPV?
Epley manoeuvre
61
How is BPPV diagnosed?
Using Dix-Hallpike manoeuvre
62
A 45yr F has had 7 episodes of vertigo lasting 20m-1hr. Has tinnitus and h/o migraine. She difficulty using the phone on the right side (struggles to hear). What is the diagnosis?
Meniere's disease
63
What is the treatment for Meniere's Disease?
Betahistine (type of vasodilator) Stemetil (anti-emetic)
64
What is the difference between the presentation of Meniere's Disease and a migraine?
Migraine has no associated hearing loss Migraine does cause vertigo and tinnitus.
65
Okay so...recap. Which vertigo related condition lasts: 1. a few seconds 2. a few hours 3. a few days ?
1. BPPV 2. Meniere's disease 3. Vestibular neuritis
66
What are anti-emetic drugs?
Drugs used to treat nausea and vomiting
67
What is the treatment for Bell's Palsy?
Steroids
68
What causes Ramsay-Hunt syndrome?
Herpes zoster virus (varicella zoster)
69
What can cause Bell's Palsy?
Herpes simplex virus
70
Which condition would need antiviral medication; Ramsey-Hunt syndrome or Bell's Palsy?
Ramsay-Hunt syndrome
71