Vestibulo-ocular Exam

Question 1

Nystagmus with central dysfunction:

Answer 1

Vertical
Unchanged with fixation
No fatigability
No latency

Question 2

Nystagmus with peripheral dysfunction

Answer 2

Mixed torsional
Dampens with fixation
fatigues
Latency post-maneuver

Question 3

Causes of vertigo that lasts seconds

Answer 3

BPPV

TIA

Question 4

Causes of vertigo that lasts minutes

Answer 4

TIA

Migraine

Question 5

T/F: hearing loss is common with central dizziness?

Answer 5

False, it is common with peripheral

Question 6

T/F: Oscillopsia is commonly severe with central dizziness

Answer 6

True

Question 7

What the heck is oscillopsia?

Answer 7

when the visual field oscillates or appears blurry

Question 8

Causes of dizziness that lasts hours

Answer 8

Meniere’s

Migraine

Question 9

Causes of dizziness that last days

Answer 9

Vestibular neuritis
Trauma
Labyrinthine infarct

Question 10

Nystagmus is named by which phase?

Answer 10

the fast phase

Question 11

If nystagmus changes directions from spontaneous to gaze holding, what is this indicative of?

Answer 11

CENTRAL DYSFUNCTION!!!!@

Question 12

With spontaneous nystagmus, a L beat indicates?

Answer 12

R peripheral hypofunction

Question 13

With spontaneous nystagmus, a R beat indicates

Answer 13

L peripheral hypofunction

Question 14

An abnormal smooth pursuit indicates…?

Answer 14

central pathology

Question 15

What is end point nystagmus indicative of at full range on smooth pursuit?

Answer 15

Nothing, this is normal

younger<older

Question 16

An abnormal convergence test indicates…?

Answer 16

central pathology

Question 17

What PMH may lack convergence?

Answer 17

cataract sx

Question 18

How do you test saccades?

Answer 18

Move vision quickly between 2 targets.

Test horizontal and vertical

Look for correction, over/undershooting

Question 19

What does abnormal saccades indicate?

Answer 19

central pathology

Question 20

What is the Sharp Purser test for?

Answer 20

C2 stability

Question 21

How do you clear the C-spine?

Answer 21

AROM with over pressure

Question 22

What difference on the DVA test from static indicates a pathology?

Answer 22

> 2 lines difference

Question 23

How should the head be positioned for Dynamic Visual Acuity

Answer 23

Tilted 20-30 degrees forward

Question 24

How fast should the head be moved in DVA testing?

Answer 24

2 complete movements per second

Question 25

What does an abnormal DVA indicate?

Answer 25

Either peripheral or central dysfunction

Question 26

What does an abnormal VOR cancellation indicate?

Answer 26

Central pathology

Question 27

Head thrust test is named by...

Answer 27

the direction of head movement

Question 28

Abnormal head thrust test indicates?

Answer 28

peripheral hypofunction

Question 29

+ R head thrust test indicates?

Answer 29

R hypofunction

Question 30

+ L head thrust test indicates?

Answer 30

L hypofunction

Question 31

How is the head shaking test performed?

Answer 31

Close pt eyes, shake head 20x side to side. Have pt open eyes. Observe

Question 32

Vertical nystagmus with head shaking test indicates:

Answer 32

Central pathology

Question 33

Horizontal nystagmus with head shaking test indicates:

Answer 33

Peripheral hypofunction (contralateral)

Question 34

L nystagmus with head shaking test indicates?

Answer 34

R hypofunction

Question 35

R nystagmus with head shaking test indicates?

Answer 35

L hypofunction

Question 36

Halpike Dix test is for?

Answer 36

BPPV

Question 37

What differentiates canalithiasis from cupulolithiasis when performing HPD?

Answer 37

length of nystagmus