Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

IPAP Senior ENT > External Ear > Flashcards

External Ear Flashcards

1
Q

Term for Ear Pain

A

Otalgia

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

Term for discharge from ear

A

Otorrhea

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

Term for hearing ringing, buzzing, or other sounds w/o an external cause

A

Tinnitus

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

abbreviation for Right ear

A

AD

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

Abbreviation for Left ear

A

AS

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

Abbreviation for both ears

A

AU

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

the External Auricular Canal (EAC) in __(1)_ long, __(2)__ shaped,

A
  1. 2.5 cm long

2. S-shaped

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

what secreted cerumen and where is it secreted

A

Cebaceous glands secrete it & located in the lateral 1/3

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

what does cerumen provide

A

protection:

  1. acidifies canal to prevent overgrowth of bacteria/fungus
  2. lipid rich prevent skin penetration & maceration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the ossicles of the middle ear

A

Malleus
Incus
Stapes

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

what are the openings of the middle ear

A

oval

round

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

what does the inner ear contain

A

Cochlea
Semicircular Canals
CN VIII

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

what is the Semicircular canals responsible for

A

vestibular control

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

This is part of the temporal bone, contains air cells and communicates w/middle ear

A

Mastoid process

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

what is the most common malignant neoplasm of the auricle

A

Basal cell carcinoma

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

how does BCC of the auricle present

A

nodular lesion may be ulcerated / bleeding

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

what is the Tx of BCC of auricle

A

Consult ENT / derm;
local excision or
Mohs surgery

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

This present as plaque/nodule/ucleration that is prone to bleeding

A

Squamous cell Carcinoma

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

SCC Tx

A

requires excision of wide margin & eval of neck nodes w/careful follow up

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

what is a precursor to SCC

A

Actinic Keratosis (AK)

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

This has a central punctum, well defined boarders, non-tender, soft, moblie, cystic mass and slow growing

A

Epidermal Inclusion Cyst (EIC)

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

EIC Tx

A

resolve spontaniously

Inj small amount of Triancinolone (Kenalog) in surrounding dermis prevent need for I&D

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

when to excise EIC

A

4-6 weeks after inflammation has resolved

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

an accumulation of blood between cartilage & perichondrium space r/t blunt trauma

A

Auricular Hematoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Tx of Auricular Hematoma

A
  1. Drainage
  2. Pressure dressing & splinting
  3. Prophylactic Oral Antibiotic: Dicloxicillin /cephalexin (cipro for peudomonas concern)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

when do you refer Auricular Hematoma to ENT

A

if >7 days old

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Complication of auricular Hematoma

A
  1. Necrosis/infection

2. deformity if not Tx’d w/in 48-72 hour after injury

28
Q

what is the auricle innervated by

A

1) Auriculotemporal nerve superior / anterior
2) Greater auricular & lesser occipital nerve posterior & inferior
3) Vagus nerve (concha & external auditory meatus)

29
Q

with laceration of external ear what suggests middle ear involvement

A
  1. Hemotympanum
  2. amber/clear middle ear effusion
  3. otorrhea
  4. hearing deficit w/ wber/rinne
  5. retroauricular hematoma (battle sign)
  6. Facial nerve dysfunction
30
Q

with laceration of external ear what suggests basilar skull Fx

A

CSF in ears/nose

deficit of CN VIII on Weber/Rinne test

31
Q

when to refer to Plastics / maxillofacial surgeon/ ENT / neurosurgeon if laceration of ear has

A
  1. auricular avulsion
  2. Laceration w/EAC extension
  3. Laceration w/ middle /inner ear injury
  4. laceration with basilar skull Fx
  5. chronically split ear lobe or cleft by heavy ear ring/ allergy to ring metal
32
Q

this closure type is preferred with ear lacerations to reduce risk of infections

A

Primary closure

33
Q

when to use delayed closure w/ ear lacerations

A

> 24hrs old / signs of inflammation

34
Q

when there is an ear laceration what type of antibiotics should be prescribed

A

quinolones b/c they are cartilage penetrating

35
Q

what type of lidocaine should be used to complete a local block around ear

A

1% lidocaine WITH NO EPI

36
Q

Cellulitis

A

infection of the skin

37
Q

perichondritis

A

infection of tissue surrounding cartilage

38
Q

chondritis

A

infection of cartilage

39
Q

cellulitis/perichondritis/chondritis are

A

indistinguishable caused by injury r/t ear surgery / piercing / contact sports

40
Q

clinical presentation of cellulitis/perichondritis/chondritis

A
  1. swollen warm, tender, erythematous auricle
  2. pain on deflection of auricle
  3. may involve lobe
41
Q

of cellulitis/perichondritis/chondritis, which will not involve the lobe?

A

chondritis

42
Q

Tx of mild cellulitis/perichondritis/chondritis

A

PO fluoroquinolone f/u in 24hr max

43
Q

Tx of moderate to severe cellulitis/perichondritis/chondritis

A

require IV antibiotics and sometimes surgery

44
Q

main reasons for cerumen impaction

A
  1. obstruction from EAC disease
  2. Narrowing of EAC
  3. Failure of epithelial migration
  4. Overproduction
45
Q

Asymptomatic cerumen impaction

A

leave it alone

46
Q

Tx of symptomatic cerumen impactionq

A
  1. cerumenolytic agents (1st line)
  2. Irrigation
  3. Manual removal
47
Q

when to avoid cerumenolytis

A

if TM damage is suspected; Otorrhea, otalgia, h/o frequent ear infections

48
Q

what must be completed after irrigation

A

otoscopy w/otoscope

acidification w/ water & 2% acetic or boric acid to prevent infection (required in immunocompromised)

49
Q

when to refer to ENT for cleaning under microscopic duidance

A
  1. TM perforation
  2. recurrent impaction
  3. no response to routine measures
  4. h/o chronic otitis media / TM perforation
50
Q

FOB’s in EAC

A
  1. Children>adults
  2. pain, pruritis, conductive hearing loss, &/or bleeding
  3. persistent may lead to infx / granulation tissue formation
51
Q

FOB’s in EAC Tx

A
  1. DON’T BLINDLY REMOVE
  2. Irrigate may help (not for organic objects)
  3. live insects 2% viscous lidocaine
52
Q

essential for Dx of otits externa

A
  1. painful erythema & edema of ear canal
  2. purulent exudate
  3. manipulation of auricle = pain
53
Q

in immunocompromised / DM Pt’s Otitis externa may involve what

A

osteomyelitis of skull base

54
Q

common causes of otitis Externa (AOE)

A

P. aeruginosa

S. aureus

55
Q

predisposing factors of Otitis Externa (AOE)

A

freq/aggressive cleaning, “Q-tip”, exposure to water, scrathing, lack of cerumen

56
Q

Tx mild AOE

A

2% Acetic Acid (VoSol)

57
Q

Tx moderate AOE

A
  1. Polymyxin B/hydrocortisone (cortisporin)
  2. Aminoglycosides (gentamicin) -ototoxic?
  3. Quinolones (cipro / ofloxacin)
58
Q

Systemic antibiotic for AOE when these are present

A 
cellulitis
DM
immunodeficiency
h/o radiation to ear
severe AOE
significant edema
59
Q

pain control for AOE

A

NSAID’s to opiod depending on severity

60
Q

Diagnosis of necrotizing otitis externa

A

CT with bone window

61
Q

Tx of Necrotizing Otitis Externa

A

Prompt ENT referral
daily debridement
antipseudomonal ear drops &
systemic antipseudomonal antibiotics (IV/PO Cipro)

62
Q

Treatment of Pruritis

A
  1. avoid causes
  2. avoid soap/cotton swabs in canal
  3. mineral oil for dryness & repel moisture
  4. topical corticosteroids
  5. oral antihistamines
  6. topical isopropyl alcohol
63
Q

Exostoses

A

multiple EAC lesions, firm, bony, broad-based lesions composed of lamellar bone, reactive bone formation
associated w/ cold water exposure (Surfers ear)

64
Q

osteoma

A

pedunculated bony EAC lesion, benign osseous neoplasms, attached to tympanosquamous or tympanomastoid suture line

65
Q

Tx of Exostoses/osteoma

A

single lesion- no Tx

multiple lesion- often require surgical removal

66
Q

most common ear canal neoplasm & Tx

A

Squamous Cell Carcinoma;

wide surgical resection & radiation therapy

IPAP Senior ENT (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions