Otitis Media tutorial Flashcards
aetiology of the inflammation in otitis externa?
bacterial
fungal
exczematous
most common pathogenic bacteria in otitis externa?
pseudomonas
proteus
staph aureus
Tx of bacterial otitis externa?
drops containing steroid and:
neomycin
gentamycin
most common pathogenic fungi in otitis externa?
aspergillus niger
candida albicans
Tx of fungal otitis media?
clotrimazole
nystatin
Tx of eczematous otitis externa?
steroid without antibiotic
how to generally care for otitis externa without medication?
keep water away
don’t put anything in the ear
keep hearing aids out
how to treat cellulitis in otitis externa?
systemic + topical Abs
name some preparatons used as wax solvents?
sodium bicarbonate
olive oil
almond oil
when would a wick be helpful?
if the canal skin is oedematous
when could drops cause dizziness?
drops are not close to body temperature
describe the centor criteria
history of fever
tonsillar exudates
tender anterior cervical lymphadenopathy
no cough
> 3 = antibiotics
difference between glandular fever and tonsillitis
GF: lasts longer get hepatosplenomegaly get jaundice LNs are bigger and multiple
what bacteria causes epiglottitis?
haemophilus influenzae type B
treatment of mild epiglottitis?
supportive
Abs
nebulisers eg adrenaline
treatment of severe epiglottitis?
steroids
antibiotics
intubation
tracheostomy
drugs that can cause nosebleeds?
anticoagulants
blood thinners eg warfarin
what blood disorders can cause epistaxis?
haemophilia
leukaemia
thrombocytopaenia
clotting abnormalities
define glue ear
otitis media with effusion
bilateral fluid in the middle ear causing hearing loss that lasts for 3 months
Tx of glue ear?
nothing for 3 months
after consider hearing aids, grommet or adenoidectomy
why is an adenoidectomy beneficial in otitis media?
the adenoids (nose tonsils) can block the opening to the eustachian tube further exacerbating glue ear
difference in symptoms of acute otitis media and glue ear?
glue = will not have otalgia, otorrhea, or signs of systemic infection, but may experience mild-to-moderate hearing impairment
cause of fluid in the middle ear?
eustachian tube dysfunction
common causes of glue ear?
URTI
acute otitis media