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HENT
Ear
65
Health Care
Graduate
02/08/2008

Additional Health Care Flashcards

 


 

Cards

Term
Disorders of ear canal
Definition
cerumen impaction
external otitis
foreign bodies
malignant external otitis
pruritis
Term
Tx includes: 1/2 water + 1/2 hydrogen peroxide
Definition
cerumen impaction
Term
aka. swimmer's ear
Definition
external otitis
Term
Def of Extoses:
Complication of what dz?
Definition
= chronic cold water exposure can lead to growth of bony swelling in the canal
(external otitis)
Term
SSx: narrowed or closed auditory canal
red, itchy, and painful ear
hearing NOT infected
may see purulent exudate
may be unable to see TM due to swelling
Definition
external otitis
Term
Tx: 1:1 solution of rubbing alcohol and vinegar
Definition
external otitis
(EtOH removes water and vinegar restores pH)
Term
persistent otitis externa in pts w/ DM or immunocompromise --> may extend into skull base
Definition
Malignant external otitis
Term
SSx:
Maceration
inflammation and granulation
purulent secretions
occluded canal and obscured TM
*osteomylitis
Definition
malignant external otitis
Term
Tx for malignant external otitis
Definition
IV Abx (3rd or 4th cephalosporin, Z pak, gentamycin, aminoglycosides)
Admit to ER
Term
itchiness of ear
Definition
pruritis
Term
causes of pruritis
Definition
otitis externa
dermatologic conditions
self induced excoriations
allergy
over cleaning
Term
Tx for pruritis
Definition
antihistamines
Topical isopropyl alcohol
Term
Dz of Auditory tube and Middle ear
Definition
Acute otitis media
Auditory tube dysfunction
Barotrauma
Cholesteatoma/Chronic otitis media
Complications of otitis media (mastoiditis, CNS infection, Facial paralysis, Sigmoid sinus thrombosis)
Otosclerosis
Serous otitis media
Trauma
TM perforation
Term
bacterial infection of temporal bone (middle ear) air-space mucosa
Definition
Acute otitis media
Term
common w/ 50% of children before 1st b-day and 80% of children have one before 3rd b-day
Definition
Acute otitis media
Term
Earache
fever (not always)
decr hearing
bulging TM
no movement of TM
loss of cone of light
unable to view landmarks - b/c of pus
Definition
Acute otitis media
Term
RAOM
Definition
recurrent acute otitis media: 3 episodes of AOM w/in 6 months or 4 w/in 1 yr
Term
MEE
Definition
middle ear effusion = collection of fluid w/in middle ear space, dysfunction of the Eustachian tube is usually the cause
Term
Tx for AOM
Definition
observe 38-72 hrs and treat with analgesics; in reexam:
- Tx (strep) = AMOXICILLIN, augmentin, keflex, Z pak
- Tx (H. influ) = AMOXICILLIN, rocephin, augmentin
Term
equalizes the pressure b/w middle ear and atmosphere
Definition
eustachian tube
Term
SSx: aural fullness
Fluctuation hearing
discomfort w/ barometric pressure change
Retraction of TM into middle ear
Pale and dull TM
"popping"
Definition
Auditory tube dysfunction
Term
Tx for auditory tube dysfunction
Definition
- usually leave alone
Tx: decongestants, internasal steroid
Term
acute pressure change b/w external environ and middle ear --> structural damage
Definition
Barotrauma
Term
cause: air travel, scuba diving
Definition
Barotrauma
Term
SSx: deformed or perforated TM
Hemotypanum (blood behind TM)
Pressure pain
hearing loss
Definition
Barotrauma
Term
Tx: for barotrauma
Definition
avoid cause- flying/driving w/ cold
oral decongestants, antihistamine
chew gum, suck on hard candy
ear plugs when flying
myringotomy - not for diving
Term
chronic middle ear infections from recurrent acute infections or chronic auditory tube dysfunction (negative pressure) draws pars flaccida inward and forms squamous epithelium lined sac that may be occluded
Definition
Cholesteatoma/chronic otitis media
Term
most common cause of cholesteatoma/chronic otitis media
Definition
eustachian tube dysfunction causes chronically retracted TM
Term
SSx: granulation, osteitis, and sclerosis
TM w/drawn and sac filled w/ keratin + epithelial cells in middle ear
purulent drainage
hearing loss
Definition
cholesteatoma/chronic otitis media
- destructive, expanding sac in middle ear
Term
Tx for cholesteatoma/chronic otitis media
Definition
- unresponsive to Ibx
- I&D
- can remove but may grow back
Term
Complications of cholesteatoma/chronic otitis media
Definition
effect CNS
Bone over facial nerve can be destroyed
erosion of ossicles or bones behind ear drum
meningitis, brain abscesses, + hydrocephalus
Term
Complications of cholesteatoma/chronic otitis media
Definition
effect CNS
Bone over facial nerve can be destroyed
erosion of ossicles or bones behind ear drum
meningitis, brain abscesses, + hydrocephalus
Term
OM infection that spreads to mastoid bone of skull
Definition
mastoiditis
Term
SSx: ear pain/discomfort
swelling behind ears (ears may stick out)
redness of ear, or behind ear
Fever, HA, drainage from ear
Definition
mastoiditis
Term
Tx for mastoiditis
Definition
hard to treat b/c difficult for meds to reach deep enough
Abx orally or injected
surgical removal of part of infected bone
surgical drainage of middle ear
Term
complications of otitis media
Definition
mastoiditis
CNS infection (otogenic meningitis, epidural abscesses)
Facial paralysis
Sigmoid sinus thrombosis
Term
trapped infection w/in mastoid air cells adjecent to sigmoid sinus --> septic thrombophlebititis
Definition
sigmoid sinus thrombosis
Term
Sx:
spiking fever, chills --> signs of...
HA, lethargy, n/v, papilledema --> signs of...
Definition
Sigmoid sinus thrombosis
--> systemic sepsis
--> incr intracranial pressure
Term
Tx for sigmoid sinus thromosis
Definition
IV Abx
surgical drainage
Term
multifocal temporal bone thickening (usually stapes) --> decr mobility of ear bones --> chronic conductive low frequency hearing loss
Definition
otosclerosis
Term
lesions r associated w/ footplate of stapes, resulting in impedance of passage of sound through ossicular chain...
--> producing conductive hearing loss
--> otosclerotic lesions impinge on cochlea, permanent sensory hearing loss
Definition
otosclerosis
Term
Tx of otosclerosis
Definition
sodium fluoride
Term
causes of serous OM
Definition
URI
Barotrauma
Term
SSx: painless
no pus, clear fluid in middle ear
Definition
Serous Otitis Media
Term
Tx for serous otitis media
Definition
decongestants w/ or w/o Abx
Tympanostomy tubes (if > 4 mo, risk of speach problems...)
Term
Dz of inner ear
Definition
Acoustic neuroma
hearing impairment (conductive and sensory hearing loss)
Labrynthitis
Meniere's syndrome
positional vertigo
presbyacusis
Term
aka. vestibular schwannoma
Definition
acoustic neuroma
Term
benign intracranial tumor of the myelin-forming cells of the vestibulocochlear nerve (CN VIII)
Definition
acoustic neuroma
Term
SSx:
progressive sensorineural hearing loss
persistent unilateral tinnitus
unsteadiness w/ walk (due to vestibular nerve involvement)
facial paresis
Definition
Acoustic neuroma
Term
Acoustic neuroma:(Results of)
1. Rinne test
2. Weber test
Definition
1. A>B (nml)
2. lateralization to non-affected side
Term
lab/diagnosis of acoustic neuroma
Definition
MRI - gold standard
CT
Term
Tx of acoustic neuroma
Definition
surgery, radiation, observation
Term
most common cause of sensorineural hearing loss
Definition
noise trauma
Term
Weber test:
1. If conductive:
2. If sensorineural:
3. If nml:
Definition
1. sound is heard best in affected ear
2. sound is heard best in nml ear
3. remains midline
Term
Rinne test:
1. If conductive:
2. If sensorineural:
3. If nml:
Definition
1. B>A conduction
2. A>B conduction
3. A>B conduction
Term
Aka vestibular neuronitis
Definition
labyrinthitis
Term
SSx:
usually follows URI
tinnitis, decr hearing
vertigo lasting days to wks
Definition
Labrynthitis
Term
Tx. for labrynthitis
Definition
antiverts
Term
SSx:
episodic vertigo (1-8hrs, rocking may induce n/v)
Tinnitus (low pitch)
decr. sensorineural hearing loss
incr innear ear pressure/fullness
Definition
Meniere's syndrome
Term
Tx/management of Meniere's syndrome
Definition
no cure 90% will not progress and live nml
for progressive dz:
1. dietary restriction of salt (<1g a day), caffeine, and tobacco
2. Diuretics and beta-histine HCL
3. Destruction/non destruction therapy
Term
Transient vertigo brought about by a change in head position; usually involves the posterior semicircular canal
Definition
Positional vertigo
Term
vertigo typically in clusters lasting several days
- actual episode last 10-60 seconds
Definition
positional vertigo
Term
Tx for positional vertigo
Definition
Dix-Hallpike- Barany Maneuver
Term
age related hearing loss; begins gradually after age 60
Definition
Presbyacusis
Term
detection of high-pitched sounds becomes more difficult
- Affects both ears
Definition
Presbyacusis
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