Ear disorders Flashcards
What is the most common cause of hearing impairment in elderly
cerumen impaction
What factors can increase cerumen impaction
qtip abuse
hearing aids
narrow ear canal
dermatologic conditions
What is another name for otitis externa
swimmers ear
What are physical signs of otitis externa
Painful tragus
swollen ear canal
blocked by debris
cant see TM
What causes otitis externa
Bacteria
Fungus
Which bacterial organisms can cause otitis externa
Psuedamonas
S. Aureus
Klebsiella
Ecoli
What fungi cause otitis externa
Aspergillus
Candida albicans
What is Ramsay-Hunt syndrome
Zoster otitis
How does Ramsay hunt syndrome present
Severe pain w/ facial paralysis
hearing loss/ vertigo
What is the biggest concern with zoster oticus
Vision loss
How do you treat otitis externa
clean ear canal
acidify ear w/ acetic or Boric acid
Keep water out of hear
What are some antibacterial ototopicals
Cortisporin (Neomycin, polymyxin B, Hydrocortisone)
Fluoroquinolones ( Cipro / otofloxacin drops)
What are some antifungal ototopicals
Clotrimazole
nystatin
voraconazole
What is the purpose of an ear wick (Pope sponge)
Keeps canal patent
keeps meds in contact w/ canal
leave in for 3-5 days
What can cause an auricular hematoma
Blunt trauma
How would an auricular hematoma be describes
fluctuant anterior ear swelling
How do you treat a auricular hematoma
I&D
anti-staph antibiotics
compressive dressing
what are dangerous foreign bodies for the ear canal
beans
button batteries
What is the best way to remove foreign bodies from the ear canal
with an otoscope
If there is an insect in the ear canal, what has to be done prior to removal
Drown them with mineral oil or lidocaine
Where is the Eustachian tube
connection of the middle ear and nasopharynx
What are the 3 functions of the eustachian tue
equalizes pressure in the middle ear
Drain mucus produced in middle ear
Prevents fluid reflux into middle ear
Is the Eustachian tube normally open or closed
closed
What causes the Eustachian tube to open
by palate muscles (yawning /swallowing etc.)
What allows Eustachian tube to close after opening
tissue elasticity
What is the underlying cause for most middle ear problems
Eustachian tube disorders
What can cause obstructions in the Eustachian tube
adenoid hypertrophy
nasopharyngeal cancer
What is patulous Eustachian tube (PET)
TM moves with nasal respiration
Can cause rapid Weight loss
Autophony (Bucket over head)
What can cause Eustachian tube dysfunction
Nasal mucosa disease
Allergies
Viral URI
How can a patulous Eustachian tube be treated
estrogen nasal drops (Females)
Weight stabilization
if the TM is red and bulging, what is the dx
acute otitis media
What can cause a TM perforation
infection
ET dysfunction
penetrating trauma
skull base fracture
pressure changes
What are some tests for TM perforation
pneumotoscopy
tuning fork exm
audiogram
How do you treat a TM perforations
most close with time
keep water out of ear
When do you consider surgery with TM perforations
if its non healing after 6 weeks
What are the 2 types of otitis media
serous
suppurative
What are the 2 durations of otitis media
acute
chronic