Term
| inflammation of the 8th nerve |
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Definition
| vestibular neuritis; results in no change of hearing |
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Term
| involves the swelling of both branches of the vestibulocochlear nerve (the vestibular portion and the cochlear portion). Results in changes in hearing |
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Definition
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Term
| What are some symptoms of vestibular neuritis and labyrinthitis? |
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Definition
| Vertigo, nausea/vomiting, horizontal-torsional spontaneous nystagmus (beating toward affected side), impaired semicircular canal function (determined by head impulse of caloric testing), Ipsiversive tilt of subjective vertical/horizontal and ipsiversive ocular tilt reaction, Impaired or absent vestibular-evoked myogenic potentials when stimulating affected ear, and Unsteadiness/falling toward affected side |
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Term
| characterized by persistent unsteadiness and/or non spinning vertigo that has occurred for 3 months or longer, with hypersensitivity to either their motion, or motion of the visual surroundings, as well as difficulty with precision visual tasks, like working at a computer. |
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Definition
| Persistent postural perceptual dizziness (PPPD) |
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Term
| Is a condition characterized by poor blood flow to the back portion of the brain, which is fed by 2 vertebral arteries that join to become the basilar artery |
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Definition
| Vertebral basilar insufficiency |
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