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ear 411 part1
ear pt 1
Question | Answer |
---|---|
Inner ear disorders | Otosclerosis |
Abnormal bone formation in | osseus labryinth of temporal bone |
Footplate of stapes | become fixed or immobile |
Progressive hearing loss | begins in adolescent or early adulthood |
Pregnancy | accelerates symptoms |
Difficulty | conversing with others |
TM reddish or pinkish-orange r/t | increased vascularity of middle ear |
Stapedectomy | Removal of stapes |
Insertion of metallic prosthesis | connected to incus |
Stapedotomy | Hole created in footplate of stapes Wire ribbon prosthesis inserted |
Meniere’s syndrome | Endolymphatic hydrops Chronic disorder characterized by recurrent attacks of vertigo with tinnitus and progressive unilateral hearing loss Age 35-60 Cause unclear Viral injury to fluid transport system of inner ear |
Factors increasing risk for meniere’s | Trauma Infection with syphillis Autoimmune response Vascular disorder Possible genetic in families |
meneire's syndrome manifestations | Onset is gradual Recurrent attacks of vertigo, gradual loss of hearing and tinnitus |
Attacks may precede | feeling of air fullness, and roaring or ringing sensation |
Attacks are | unpredictable May last minutes to hours |
Attacks may be linked to | sodium intake Stress Allergies Premenstrual fluid retention |
Progression of symptoms | nausea, vomiting, and immobility |
Managing symptoms | Preventing hearing lossBedrest, quiet, dark room with minimal stimulation |
meds | Antiemetics Antivertigo meds:scopolamine patch Valium, lorazepam Droperidol IV (sedative/antiemetic) |
Hydorclorothiazide to | reduce endolymphatic pressure |
Antivertigo/antiemetics | Meclizine (antivert) Compazine vistaril |
Labyrinthectomy | Destruction of cochlear function Only if vertigo is persistent and hearing loss is nearly complete |
Complications post op | Possible leakage of CSF |