ENT Flashcards
How to tell whether someone has otitis media or externa?
externa- itchy, irritated upon palpation of tragus
How to tell if ear infection is viral or bacterial?
viral- one ear
bacterial- two ears + fever + loss of appetite…
Differentials for nose lesion?
tumour
polyp
trauma
infection
Name one scoring system for a sore throat and indication for treatment with antibiotics
CENTOR
FeverPAIN criteria
Indicate likelihood of strep infection
How to distinguish between vestibular neuronitis and labrynthitis?
hearing is unaffected in vestibular neuronitis
What is the first line treatment for otitis media?
amoxicillin 5-7 days
What is the treatment for otitis media with penicillin allergy?
clari or erythromcyin
List two complications of acute otitis media
meningitis
mastoiditis
intracranial abscess
sinus thrombosis
facial nerve paralysis
hearing loss
recurrence of infection
tympanic membrane perforation
List two bacteria associated with acute otitis media
H.influenzae
Strep pneumoniae
Strep pyogenes
Moraxella catarrhalis
List two viruses associated with otitis media
RSV
rhinovirus
adenovirus
influenza virus
parainfluenza virus
List two risk factors for otitis media
young age
male
smoking
immunodeficiency
no pneumococcal vaccine
What are grommets??
treatment for glue ear-middle part of ear canal fills up with fluid
small tube inserted into ear to drain fluid and keep eardrum open. They fall out naturally within 6 to 12 months
What is the treatment for glue ear?
watchful waiting for 3 months and review. If functional impairment then consider surgery or hearing aids. Steroids and decongestants don’t work
List two risk factors for tinnitus
age
noise exposure
drugs
List one drug associated with tinnitus
NSAIDs
aminoglycosides
diuretics
List two red flags associated with tinnitus
- significant suicide risk
- sudden onset with significant neurological symptoms/signs/suspected stroke
- Tinnitus with uncontrolled vestibular symptoms e.g. vertigo
Two differentials for tinnitus with vertigo?
Merniere’s, acoustic neuroma, migraine
How does infectious mono differ in presentation with bacterial tonsillitis?
mono- ant and post palpable lymph nodes
tonsillits- ant chain only
List the typical triad of infectious mono
fever
pharyngitis
cervical lymphadenopathy
What are the investigations for mono?
FBC and monospot
List two differentials for sudden unexplained sensorineural hearing loss
trauma
stroke
viral
vestibular schwannoma
ototoxicity
autoimmune
What is Merniere’s disease?
inner ear disease- vertigo, tinnitus, hearing loss
What is the pathophysiology of merniere’s disease
unclear.
buildup of fluid in labyrinth of inner ear
List two types of dizziness
vertigo
lightheadedness
presyncope
dysequilibrium