Causes of dizziness/tests used in assessment of vestibular system

Question 1

What are some causes of dizziness?

Answer 1

medications; damage to the visual, vestibular, and proprioception systems; cataracts, injury to CNS via stroke or tumor, cardiovascular or respiratory problems, cranial or neurological causes

Question 2

What health care professionals evaluates someone to determine if they have an issue with the vestibular system?

Answer 2

audiologists and physical therapists

Question 3

If a PCP refers a patient with a potential issue in their vestibular system, then who do they refer them to?

Answer 3

Ophthalmologsts, neurologists, and orthopedists

Question 4

When an audiologist evaluates someone with potential issues with their vestibular system, they first do ______

Answer 4

hearing evaluation and possibly an ABR to assess CN VIII

Question 5

What test is given to capture someone’s eye movements during a vestibular system assessment

Answer 5

videonystamography (VNG)

Question 6

What are the 3 parts of videonystamography (VNG)?

Answer 6

oculomotor testing, positional testing, and caloric testing

Question 7

Which testing of the VNG involves pouring water in a patient’s ear and stimulates the horizontal semicircular canal?

Answer 7

Caloric testing

Question 8

Which vestibular assessment testing is used to record eye movement just like VNG?

Answer 8

rotary chair

Question 9

What is the sensory organization test?

Answer 9

assessment used to test one keeping their balance under various conditions; it relies on computerized dynamic posturography (CDP)