ENT Flashcards
Suggest the complication of otitis media
Facial nerve palsy
Mastoiditis
Petrositis - Gradenigo syndrome
Labrynthitis
Meningitis
Sigmoid sinus thrombosis
Brain abcess
What are some causes for otlagia?
50% non otological e.g. grinding, TMJ
Trauma
Eczema
Furunculosis
NOE
Barotrauma
Suggest the most common infections in the ear canal
Pseudomonas then staphylococcal
How are OE infections managed?
Antibiotics + steroid
Aural toilet
What are some otitis media infections?
Pneumococcus
Haemophillus
Moraxella
How is otitis media managed?
If no systemic symptoms and simply pain, may recover in 24 hours without antibiotics and simple analgesia. However if systemically unwell, fever or <2 years old may benefit from amoxicillin. Consider a delayed prescription
What is benign or inactive COM?
A perforated ear drum
Dry
No active infection
What is chronic serous otitis media?
Characterised by continous serous drainage
What is chronic suppurative otitis media?
Diagnosed when there is persistent purulent draiange
What are the complications of a cholesteosteoma?
Facial nerve palsy
Mastoiditis
Hearing loss
Petrositis
Cerebral abcess
What is a cause of middle ear infections in adults?
Posterior space tumours
How should children with bilateral OME be managed?
3 month period of active observation and re-assess wit repeat hearing tests at 3 months. Consider after 3 months of ventillation tubes i.e. grommets or surgery.
How should children modify activities with grommets?
Swimming is permitted
However diving is not or forcing water
What are some causes of hearing loss in children?
50% genetic e.g. Jervell Lange, Klippel-Feil syndrome, Waardenburg syndrome, Alport
25% are non-genetic e.g. TORCH infections, meningitis, encephalitis, measles and mumps, ototoxic drugs
25% idiopathhic
What tests may be done in neonates for hearing impairment?
Otoacoustic emission testing
Auditory brainstem response (ABR)
What are the causes of tinnitus in patients?
Objective:
Vascular disorders: AV malformations, globus tumours,
high cardiac output states.
Subjective:
Menierre’s syndrome
Ototoxic drugs
Otitis media
SNHL
Noise induced damage
How is tinnitis treated?
Manage depression, anxiety and insomnia
Hearing aids
Psychological support
CBT
What are the features of acoustic neuroma?
Unilateral hearing loss
Unilateral tinnitis
Dizziness
MRI and pure tone audigram
What is the Jastreboff model?
It suggests there is a limbic and autonomic link with tinnitus annoyance
What type of nystagmus is seen in peripheral vertigo/ vestibular vs central vertigo?
Peripheral = horizontal
Central = vertical
What is Unterberger’s test?
What are the two types of vertigo?
Central and peripheral
What is BPPV?
<30 seconds are provoked by head turning
Dix-Hallpike test +ve
Self limited
Epley manoeuvre
Brandt Daroff exercises
What is Meniere’s?
2 or more episodes of vertigo lasting between 20 mins and 12 hours
Abnormality with endolymph
Fluctuating hearing loss, vertigo, tinnitus and fullness
Acute use prochlorperazine
Prophylaxis: beta histine