ear disease Flashcards
1
Q
is this ear drum normal or abnormal
A
normal
2
Q
what is otitis externa
A
inflammation of the skin of the ear canal
- almost always infective
- bacterial or fungal
3
Q
causes of otitis externa
A
- water
- cotton buds
- skin conditions
4
Q
what is wrong with this ear drum
A
acute otitis media
5
Q
what are some forms of chronic otitis media
A
- otitis media with effusion
- cholesteatoma
- perforation
6
Q
causes of OME in adults
A
- rhinosinusitis
- nasopharyngeal carcinoma
- nasopharyngeal lymphoma
7
Q
what is wrong with this ear drum
A
OME
8
Q
what can cause perforation
A
- AME
- trauma
- usually heals spontaneously
9
Q
what is wrong with this ear drum
A
perforation
10
Q
what is cholesteatoma
A
- presence of keratin within middle ear
- erodes surrounding bone
- causes hearing loss, discharge, complications
11
Q
treatment for cholesteatoma
A
surgical excision and reconstruction
12
Q
what is wrong with this ear drum
A
retraction
13
Q
what is wrong with this ear drum
A
cholesteatoma
14
Q
complications of acute otitis media and cholesteatoma
A
- medial spread -sensorineural hearing loss/tinnitus/vertigo/facial palsy
- superior spread - brain abscess/meningitis
- posterior spread - venous sinus thrombosis
15
Q
what is otosclerosis
A
- abnormal bone growth inside the ear
- causes gradual onset conductive hearing loss