Otology Flashcards
sensorineural hearing is mediated by the
inner ear
cochlea
conductive hearing is mediated by the
middle ear
ossicles - stapes, malleus, incus
Where does auricular haematoma come from?
head injury or trauma
management of auricular haematoma
pressure bandage
incision and drainage
antibiotics
what is the definition of otitis externa?
inflammation of the external auditory meatus
how would you treat otitis externa?
antibiotic/steroid ear drops
suction under microscope
how can you prevent otitis externa?
no water or cotton buds in ears!
malignant otitis externa is
osteomyelitis of the temporal bone
how does malignant otitis externa present?
severe pain in the elderly
granulations in external auditory meatus
cranial nerve palsies
malignant otitis externa - how is it managed?
antibiotics
what is otitis media with effusion?
sterile fluid in the middle ear
what are the three types of otitis media?
acute
chronic
with effusion
how does otitis media with effusion present?
hearing loss
speech delay
otovent
the balloon you in breath in with nostril to help equalise pressure
grommet
tube that helps equalise pressure
how to you treat otitis media with effusion?
observe for 3 months
otovent
grommet
how would you treat acute otitis media?
observation
amoxicillin
what is acute otitis media?
pus in the middle ear
tympanosclerosis
calcification in tympanic membrane
what is chronic otitis media?
perforated tympanic membrane
or
cholesteatoma
causes of a perforated tympanic membrane
infection
trauma (loud noises)
grommet
what are some complications of chronic otitis media?
dead ear
facial palsy
meningitis
brain abscess
eardrum also known as the
tympanic membrane
how does a perforated ear drum present?
hearing loss
recurrent infections
what procedure repairs perforated ear drums?
myringoplasty
cholesteatoma presents as
persistant offensive discharge from the ear
how is cholesteatoma managed?
mastoidectomy
osteosclerosis is …….. hearing loss.
it results in the need for a …… …….
conductive
hearing aid
causes of vertigo
labyrinthitis
benign positional vertigo
migraine
menieres disease
what test would you do for benign positional vertigo?
dix hallpike test
how would you manage benign proximal vertigo?
epley manoeuvre
labyrnthitis (vestibular neuritis) is what?
reactivation of the latent HSV infection of the vestibular ganglion
pathology of menieres disease
endolymphatic hydrops
