C-AVS Flashcards
1
Q
Definition (and cause)
A
Central acute vestibular syndrome
Neurological disorder caused by health conditions that compromise the structure and function of the central division of the vestibular system
- brain stem (more common)
- cerebellum (more common)
- thalamus
- cerebral cortex
2
Q
How is it diagnosed? (objective and subjective)
A
Objective:
- Dix hallpike - negative
- Eye ax: positive - vertical nystagmus
- Head impulse test (VOR): positive
Subjective:
- Describe dizziness: world moving around them
- dizziness lasts longer than a minute
3
Q
Problems
A
Vestibular impairments + OTHER IMPAIRMENTS (CNS)
Vertigo - longer than 1 minute
Nystagmus - vertical
4
Q
How long does dizziness last
A
longer than 1 minute
5
Q
Horizontal or vertical nystagmus?
A
vertical
