Ear Pathology Flashcards
What is auricular haematoma
Collection of blood forms in the pinna
Often follow trauma
If untreated will result in ‘cauliflower ear’
Rx auricular haematoma
Drainage is definitive
Symptoms of ear foreign body
Pain Deafness Discharge (foul smelling) May be a buzzing in the ear Bleeding dy Afebrile
Diagnosis for ear foreign body
Otoscopy
Rx ear foreign body
Removal ASAP
Kill insects prior to removal
What is otitis externa
Inflammation of external ear canal
Usually due to infection
Sometimes due to allergy or irritation
Risk factors otitis externa
External obstruction
Swimming
Where does inflammation not go past in otitis externa
TM
Symptoms otitis externa
Itch Ear discharge Dulled hearing Pain Ear may feel blocked or full
Otoscopy O/E otitis externa
Canal may be swollen
TM should be normal
Treatment otitis externa
Topical ear antibiotics
Paracetamol
Ibuprofen
What is malignant otitis externa
When Otitis Externa spreads to surrounding tissues:
Into mastoid and temporal bones
Aggressive infection
Commonest organism malignant otitis externa
Pseudomona
Aeruginosa
Symptoms malignant otitis externa
Persistent and foul smelling yellow or green pus Ear pain Haring loss Fever Swollen and red skin surrounding ear
Ix malignant otitis externa
Swabs
CT
Rx malignant otitis externa
Long term systemic AB
What is acute otitis media
Infection of middle ear
Where do acute otitis media infections usually come from?
Seeded from upper respiratory tract from eustachian tube
Common organisms acute otitis media
Strep penumonia
Haemophilus influenzr
Symptom of acute otitis media
Otalgia
Hearing loss
Fever
Rx for acute otitis media
Often viral is self limiting
NSAIDS
AB if not resolved or systemic features
Otoscopy O/E for acute otitis media
Healthy ear canal
Often red and sometimes bulging TM
What is glue ear
Infection and fluid in middle ear
What is a common cause of glue ear
Eustachian tube dysfunction
Creates vacuum in middle ear
Draws in fluid from surroundings