extra

Question 1

for posterior canal BBPV what direction of nys do we see

Answer 1

upbeating and torsional towards the tested side

Question 2

what is - Spontaneous nys

Answer 2

movement of the eyes without a cognitive, visual, or vestibular stimulus. There is no head movement here eyes are just beating

Question 3

fixation and nys

Answer 3

peri: nys does change with the intro of fixating object

central: the nys does not change with the intro of fixating object

Question 4

does central nys change in direction

Answer 4

yes

Question 5

types of central nys

Answer 5

down beating (this does not fatigie)

gaze evoked

non-fixating

Question 6

types of peri nys

Answer 6

decreases with fixation

does not change directions

Question 7

positional changes that lead to nys

Answer 7

BBPV

Question 8

what is a peri vestibular issue

Answer 8

an issue of the SCC or the otolith organs, debris moving in the SCC

Question 9

what are vestibular symptoms

Answer 9

dizzy with positional changes

spinning

balance

vomiting

nausea

provoke with head movements

Question 10

what is oscillopsia

Answer 10

jumping of the visual field

Question 11

what kind of nys do we see with peri issues

Answer 11

torsional upbeating nys

fatiguable

latent

Question 12

what is a central vestibular issue due to

Answer 12

damage to the central vestibular occular pathway - brain: cere, BS, vestibular nuclei

Question 13

nys of central issue

Answer 13

does not fatigue

latency - normally seen right away

pure vertical

Question 14

are smooth pursuits and saccade normal with peri issues

Answer 14

no these are normally normal

Question 15

what does a postive HIT indicate

Answer 15

unilateral vestibular loss