30 - The vestibular System Flashcards
1
Q
Hair Cells
A
Fire all the time
Push em in one direction, it hyperpolarizes
Push in the other direction, it depolarizes
2
Q
Patient in the ED comes in with nystagmus. What do you do?
A
Have them close their eyes. If it’s peripheral, their eyes will move like CRAZY
3
Q
Head thrust test
A
I don’t know
4
Q
How do you know if dizziness and nystagmus are NOT due to a peripheral problem?
A
Skew deviation
Change in direction of slow phase
Normal head thrust test
5
Q
Perceptual aspects of vestibular function
A
Self motion
Vertical orientation.
