Hearing Aid Dispenser Written Exam
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Terms in this set (204)
db loss of a perforation 10-15db loss
of TM
procedure done to fix tympanoplasty or myringoplasty
perforation
looks like a hole in TM, but reflects light like a
monomeric spots mirror. holes that have healed. aka "mirror
membranes"
, average dimentions of 2.3-2.9cm in length, .7cm in diameters
an adult eardrum
pars tensa lower 4/5 of TM and tight
pars flaccida upper 1/5 of TM and flaccid
"swimmers ear" - inflammation of the walls of the
EAM. will not cause loss unless swelling blocks
otis externa
canal. treat: warm salt water, drying it, topical
antibiotics
polyps masses of tissue that grow outward from a surface
non-cancerous tumor in the middle ear. oderous
discharge. sometimes perforates upper TM.
cholesteatoma invasions of skin into the middle ear - sac of
concentric rings of protein. causes conductive
loss. most dangerous pathology.
result of ear surgery. often have no ear drum or
enlarged canal ossicular chain. need approval of physician before
fitting
Save
Terms in this set (204)
db loss of a perforation 10-15db loss
of TM
procedure done to fix tympanoplasty or myringoplasty
perforation
looks like a hole in TM, but reflects light like a
monomeric spots mirror. holes that have healed. aka "mirror
membranes"
, average dimentions of 2.3-2.9cm in length, .7cm in diameters
an adult eardrum
pars tensa lower 4/5 of TM and tight
pars flaccida upper 1/5 of TM and flaccid
"swimmers ear" - inflammation of the walls of the
EAM. will not cause loss unless swelling blocks
otis externa
canal. treat: warm salt water, drying it, topical
antibiotics
polyps masses of tissue that grow outward from a surface
non-cancerous tumor in the middle ear. oderous
discharge. sometimes perforates upper TM.
cholesteatoma invasions of skin into the middle ear - sac of
concentric rings of protein. causes conductive
loss. most dangerous pathology.
result of ear surgery. often have no ear drum or
enlarged canal ossicular chain. need approval of physician before
fitting
