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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.
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60 dB
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_____ is a missing or absent auricle.
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Anotia
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surgical procedure to improve the appearance of the patient’s auricle if it protrudes from the head. (brad pitt)
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otoplasty or pinnaplasty
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______ is an abnormally large auricle.
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Macrotia
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______ is an abnormally small pinna or auricle.
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Microtia
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______ is completely closed ear canal without any opening whatsoever from the auricle through to the tympanic membrane. |
Atresia
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Surgical treatment is usually a possibility, but is not always entirely successful for what
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Atresia
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Cause of Atresia
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usually congenital in nature. Many times with congenital ear canal disorders, the middle and sometimes the inner ear is also involved.
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canal abnormally narrow.
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Stenosis
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there's usually not a great deal of hearing loss in _____.
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stenosis
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If the ear is open at all,
problem with _____ build-up in stenosis. |
cerumen
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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
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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
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can be opened with the insertion of an insert earphone during testing.
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collapsed ear drum
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____ ____ means middle ear inflammation.
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Otitis media
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____ ____ is the 2nd most common cause of hearing loss in the population as a whole; most common cause of hearing loss in children.
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Otitis media
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Suppurative (Pus/Purulent) Otitis Media
(ME) can result in ______or ______ |
Mastoiditis/Meningitis
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Suppurative (Pus/Purulent) Otitis Media
Degree of Loss Audiometric Config Static Compliance Tympanogram Type |
Mild to Moderate Severe
Flat Normal to Low B |
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Tympanic Membrane Perforation
Degree of Loss Audiometric Config Static Compliance Tympanogram Type |
Mild
Flat not Testable - large EAV Not testable |
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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!! |
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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... |
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Negative Middle Ear Pressure
Degree of Loss Audiometric Config Static Compliance Tympanogram Type |
Mild
Flat normal C |
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Otosclerosis??
(ME) hereditary? |
Otosclerosis
(ME) New formation of spongey bone, becomes dense Hereditary in 70% of cases |
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Otosclerosis
Degree of Loss Audiometric Config Static Compliance Tympanogram Type |
Mild to Moderate Severe
Flat or Poorer in Low Frequencies Low As |
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Congenital Disorder
Degree of Loss Audiometric Config Static Compliance Tympanogram Type |
Mild to Moderate Severe
Varies Vaires Varies |
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TM Perforation hearing loss:
size of hole and location? How is it fixed? |
central hole= greater loss
also relates to size of hole Myringoplasty |
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Otitis Media AKA ____
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(Glue Ear)
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Otitis Media treated:
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Antibiotics
Myringtomy (controlled rupture incision) Mastoidectomy (removal of tissue) Tympanoplasty - surgery on Tym. Mem. PE Tubes |
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Otitis Media cycle:
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Blocked Eustachian tube
Negative ME Pressure Fluid accumulates Infection Necrosis Resolution |
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Cholesteatoma can lead to...
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otorrhea (runny ear - smelly)
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Cholesteatoma caused by:
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Skin introduced to ME, causes pseudo tumour
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With Atresia you have _____ loss
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conductive
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Both External Otitis and Ceremen build up cause ____ type of hearing loss
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related to occlusion of ear canal
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External Otitis is AKA
and can be fixed with |
swimmer's ear
cleansing, cotton wick |
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Ceremen build up can be fixed how?
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irrigation by professional
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Anoxia is?
Occurs when? |
lack of oxygen
occurs prenatal |
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Rh Factor is?
Occurs when? |
protein in maternal blood, antibodies form to reject baby
occurs prenatal |
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Toxemia of pregnancy is?
Occurs when? |
placenta passes on toxins
occurs prenatal |
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Viral Infection (maternal)
HIV - __% baby will have it if mother does, effects ____ |
50
cochlea |
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cytomegalovirus - is?
occurs when? |
herpes group, can be all groups
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prematurity - causes why?
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NICU is noisy
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Birth Trauma caused when?
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perinatal/
childhood |
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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 |
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What are some other contributers to hearing loss in child/adult hood?
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kidney infection
head trauma high fevers otitis media prematurity surgery systemic illness STD viral infection |
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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 |
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vasospasm?
occurs when? |
when a blood vessel has a spasm - necrosis occurs
occurs in adulthood |
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Labrynthitis - what type of hearling loss
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SNHL
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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
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Meniere’s Disease?
age group? symptoms (3) |
- over production of endolymph, 40-60 year old
roaring tinnitus vertigo fluctating SNHL |
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Meniere’s Disease treated
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Treat by diuretics, shunting, removal of labyrinth (extreme)
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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 |
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Otosclerosis occurs when?
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adulthood
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All the adulthood hearing losses also include the _______ hearing losses, since it depends on exposure
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childhood
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