Primer On Ear Infections Flashcards Preview

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Flashcards in Primer On Ear Infections Deck (12):
1

Itching progressing to otalgia
Scant white exudative otorrhea
Edema
Erythema
Tenderness
Aural fullness
Temp hearing loss
Tinnitus
Tympanic membrane moves well
Kids aren't ear tugging

Otitis Externa

2

MCC of Otitis Externa

Pseudomonas
S. epidermidis
S. aureus
Candida albicans
Aspergillus
Anaerobes

3

Purulent ear discharge
Erythema
Edema
Granulation tissue in posterior inferior wall of external canal
Severe unrelenting pain
Temporal headaches
Bell's palsy, partial facial paralysis, usually one sided, CNVII involvement
Erosion of temporal bone on CT
Elderly diabetics
IC

Malignant Otitis Externa

4

MCC of malignant Otitis Externa

Pseudomonas aeruginosa

5

Abrupt onset
Otorrhea with purulent white to yellow discharge
Otalgia
Aural fullness
Vertigo
Tinnitus
Fever
Nystagmus
Ear tugging
Infants can have vomiting and diarrhea
Abnormal tympanic membrane

Acute Otitis media

6

MCC of acute Otitis media (includes recurrent Otitis media and chronic suppurative Otitis media)

S. pneumoniae
H. influenzae
M. catarrhalis

Usually preceded by viral URI

7

MCC of acute Otitis media in infants <6 weeks old and those with nasotracheal tubes in place for more than 48 hours

Gram negatives like
Klebsiella
E. coli
Enterobacter
Pseudomonas

8

Clear fluid in the middle ear for an extended period
No Fever or leukocytosis
Self limiting
Resolved in 2-4 weeks

Otitis media with effusion

9

MCC of Otitis media with effusion

Effusions may be sterile

10

Persistent (weeks) purulent otorrhea
Tympanic membrane perforation
Some hearing loss
Maybe cholesteatoma (mass of keratinous devris)

Chronic suppurative Otitis media

11

Redness, swelling, tenderness, and fluctuation over the mastoid process
Pinna is displaced laterally and inferiorly by the abscess
Exacerbations of aural pain, Fever, and creamy otorrhea
Persistent and throbbing pain
Babies may refuse to feed
Bulging and immobility in tympanic membrane
May have Bell's palsy

Mastoiditis

12

MCC of mastoiditis

Same as Otitis media
When severe or protracted think of
S. pyogenes
S. aureus
P. aeruginosa