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53 Cards in this Set

  • Front
  • Back
Conditions that affect the outer ear will result in a conductive hearing loss. Usually the hearing loss is not severe and never exceeds a ___ air bone gap.
60 dB
_____ is a missing or absent auricle.
Anotia
surgical procedure to improve the appearance of the patient’s auricle if it protrudes from the head. (brad pitt)
otoplasty or pinnaplasty
______ is an abnormally large auricle.
Macrotia
______ is an abnormally small pinna or auricle.
Microtia
.
______ is completely closed ear canal without any opening whatsoever from the auricle through to the tympanic membrane.
Atresia
Surgical treatment is usually a possibility, but is not always entirely successful for what
Atresia
Cause of Atresia
usually congenital in nature. Many times with congenital ear canal disorders, the middle and sometimes the inner ear is also involved.
canal abnormally narrow.
Stenosis
there's usually not a great deal of hearing loss in _____.
stenosis
If the ear is open at all,
problem with _____ build-up in stenosis.
cerumen
collapsing ear canal - canal collapses down upon it self.
_% of a typical audiology caseload, usually with children or the elderly.
This can be determined during the _____ examination.
4, otoscopic
supra-aural earphones during testing can inadvertently collapse that narrow ear canal down and and impose a _______ hearing loss on the patient.
important to look for narrow ear canals before testing
conductive
can be opened with the insertion of an insert earphone during testing.
collapsed ear drum
____ ____ means middle ear inflammation.
Otitis media
____ ____ is the 2nd most common cause of hearing loss in the population as a whole; most common cause of hearing loss in children.
Otitis media
Suppurative (Pus/Purulent) Otitis Media
(ME)
can result in ______or ______
Mastoiditis/Meningitis
Suppurative (Pus/Purulent) Otitis Media

Degree of Loss
Audiometric Config
Static Compliance
Tympanogram Type
Mild to Moderate Severe
Flat
Normal to Low
B
Tympanic Membrane Perforation

Degree of Loss
Audiometric Config
Static Compliance
Tympanogram Type
Mild
Flat
not Testable - large EAV
Not testable
Ossicular Chain Discontinuity

Degree of Loss
Audiometric Config
Static Compliance
Tympanogram Type
Moderate
Flat
high
Ad

Mod flats and heels add style in the OC.

You MO FO OCD!!
Serous Effusion (Fluid)

Degree of Loss
Audiometric Config
Static Compliance
Tympanogram Type
Mild to Moderate
Flat or Poorer in High Frequencies
Normal to Low
B

Mildred and her Mother donate furs to the purple heart foundation, normally, but they are low...
Negative Middle Ear Pressure

Degree of Loss
Audiometric Config
Static Compliance
Tympanogram Type
Mild
Flat
normal
C
Otosclerosis??
(ME)

hereditary?
Otosclerosis
(ME)

New formation of spongey bone, becomes dense

Hereditary in 70% of cases
Otosclerosis

Degree of Loss
Audiometric Config
Static Compliance
Tympanogram Type
Mild to Moderate Severe
Flat or Poorer in Low Frequencies
Low
As
Congenital Disorder

Degree of Loss
Audiometric Config
Static Compliance
Tympanogram Type
Mild to Moderate Severe
Varies
Vaires
Varies
TM Perforation hearing loss:
size of hole and location?


How is it fixed?
central hole= greater loss
also relates to size of hole


Myringoplasty
Otitis Media AKA ____
(Glue Ear)
Otitis Media treated:
Antibiotics
Myringtomy (controlled rupture incision)
Mastoidectomy (removal of tissue)
Tympanoplasty - surgery on Tym. Mem.
PE Tubes
Otitis Media cycle:
Blocked Eustachian tube
Negative ME Pressure
Fluid accumulates
Infection
Necrosis
Resolution
Cholesteatoma can lead to...
otorrhea (runny ear - smelly)
Cholesteatoma caused by:
Skin introduced to ME, causes pseudo tumour
With Atresia you have _____ loss
conductive
Both External Otitis and Ceremen build up cause ____ type of hearing loss
related to occlusion of ear canal
External Otitis is AKA

and

can be fixed with
swimmer's ear

cleansing, cotton wick
Ceremen build up can be fixed how?
irrigation by professional
Anoxia is?
Occurs when?
lack of oxygen
occurs prenatal
Rh Factor is?
Occurs when?
protein in maternal blood, antibodies form to reject baby

occurs prenatal
Toxemia of pregnancy is?
Occurs when?
placenta passes on toxins

occurs prenatal
Viral Infection (maternal)
HIV - __% baby will have it if mother does, effects ____
50
cochlea
cytomegalovirus - is?
occurs when?
herpes group, can be all groups
prematurity - causes why?
NICU is noisy
Birth Trauma caused when?
perinatal/

childhood
What kinds of drugs cause problems in hearing?

where?

when does this occur
Drugs
Mycin Drugs
Nicotine
Aspirin


All issues with Inner Ear (cochlea)

onset in childhood
What are some other contributers to hearing loss in child/adult hood?
kidney infection
head trauma
high fevers
otitis media
prematurity
surgery
systemic illness
STD
viral infection
Noise -
TTS vs PTS?

examples, when does it occur?

notch?

How to treat?
Examples of treatment (iPod)
Noise - iPods
TTS - temporary threshold shift, from a concert
PTS - permanent, from over exposure

SNHL
4000 Hz (noise notch)
Tinnitus
Discrim issues


Treat by protection, set iPod to 50%
OSHA Standards:
85 dB = 8 hours
90 dB = 4 hours
95 dB = 2 hours, etc
vasospasm?

occurs when?
when a blood vessel has a spasm - necrosis occurs
occurs in adulthood
Labrynthitis - what type of hearling loss
SNHL
Barotrauma can cause ______ hearing losses but can
disturb the balance of fluids and pressures in the inner ear and cause
_______ hearing loss as well
conductive, sensorineural
Meniere’s Disease?
age group?
symptoms (3)
- over production of endolymph, 40-60 year old

roaring tinnitus
vertigo
fluctating SNHL
Meniere’s Disease treated
Treat by diuretics, shunting, removal of labyrinth (extreme)
Presbycusis - what is it, degree of loss?
causes (4)

treated how?
Billateral SNHL, getting worse over time, due to aging

Causes:
Sensory - affecting cochlea
Stria - affecting stria vascularis
Neural - 8th nerve
Cochlea Conductive

Treated by Amplification
Otosclerosis occurs when?
adulthood
All the adulthood hearing losses also include the _______ hearing losses, since it depends on exposure
childhood