Chapter 17 - Eye and Ear - Symptoms and Pathologic Conditions Flashcards
Acoustic neuroma
benign tumor arising from 8th cranial nerve, causes tinnitus, vertigo, dizziness, and decreased hearing
Cholesteatoma
skin cells and cholesterol in a sac in the middle ear (cyst-like mass associated with chronic infections)
Deafness
loss of ability to hear
Ménière disease
disorder of the labyrinth with elevated endolymph pressure in the cochlea and semicircular canals
What can causes when you have Ménière disease?
causing tinnitus, sensitivity to sound, progressive hearing loss, headache, nausea, and vertigo
Otitis media
inflammation of the middle ear
Suppurative otitis media
– a bacterial infection of the middle ear, pus formation occurs.
Serous otitis media
– is a noninfectious inflammation with accumulation of fluid in the middle ear
Otosclerosis
hardening of bony tissue in the labyrinth
Tinnitus
sensation of noises (ringing, buzzing, whistling, booming) in the ears
Vertigo
sensation of irregular motion (whirling) from disease of the inner ear or nerve carrying messages from the semicircular canals