ENT Flashcards
tx for otitis externa
clean ear canal
steroid and antibiotic drops into ear canal (not systemic abx),
can consider anti-fungal
what bugs cause AOM
strep pneumonia
haemophilus influenzae
moraxella catarrhalis
conductive hearing loss with normal otoscopy. dx?
otosclerosis
what bugs cause otitis externa
psudomonas aeruginosa
aspergillus
tx of AOM
abx
analgesia
stuff like vics to help with URTI sx
tx of otitis media with effusion
abx for 14 days
if not resolved –> ENT referral for hearing assessment and ?Grommets
what is chronic suppurative otitis media?
perforated tympanic membrane with persistent drainage from the middle ear
what is a complication of chronic suppurative otitis media
cholesteatoma formation –> requires mastoidectomy and tympanic membrane surgery
how do you tell if someone has peripheral (vestibular canal) dizziness?
rotatory vertigo
nystagmus
ear symptoms (hearing loss/tinnitus)
n&v
how do you know if someone has central dizziness (brain/spinal cord)
unsteadiness
lightheadedness
consider: vascular, proprioception, visual
peripheral vertigo that lasts seconds
dx?
BPPV
- do hallpike manoeuvre to confirm
peripheral vertigo lasting minutes
dx?
Meniere’s disease
- 20min
- assoc tinnitus, n&v, fluctuating hearing loss
peripheral vertigo lasting >24hrs
vestibular failure
e. g.
- vestibular neuronitis (bed ridden, slow improvement over 1-2 weeks)
- skull fracture into cochlea
- labyrinthitis