vertigo Flashcards

1
Q

head impulse test - expected finding in central vertigo

A

negative ie vertigo not triggered by head movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

head impulse test - expected finding in peripheral vertigo

A

positive ie vertigo triggered by head movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

head impulse test

- what reflex is tested

A

vestibulo-ocular reflex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

head impulse test

  • how to perform the test
  • interpretation
A
  1. get patient to focus on your nose
  2. slowly move patient’s head away from centre
  3. rapid movement 5 degrees in opposite direction
  4. if eyes fail to track = peripheral lesion
  5. the direction of sudden turn = side where lesion is present
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

test of skew

  • how to perform the test
  • interpretation
A

cover 1 eye, then uncover it

if the eye has to wander back into position = central vertigo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

vertigo triggered by movement

- ddx (5)

A
BPPV
vestibular neuronitis
labyrinthitis
acoustic neuroma
acoustic neuroma
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

vertigo triggered by vertical movement suggests what dx

A

BPPV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

vertigo triggered by horizontal movement suggests what dx (2)

A

vestibular neuronitis, acute labyrinthitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

difference in presenting symptoms for vestibular neuronitis vs labyrinthitis

A

labyrinthitis has hearing loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

peripheral vertigo + hearing loss

- ddx (3)

A

labyrinthitis
meniere’s disease
acoustic neuroma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

vertigo

- indications for MRI (4)

A
  • you think its central
  • CVA risk factors
  • associated neuro signs
  • vertigo with headache
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

nonmedical management of peripheral vertigo

  • lifestyle (3)
  • allied health (1)
A
restrict
- salt
- etoh
- caffeine
vestibular rehabilitation via physiotherapy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

medical management of peripheral vertigo

  • nausea
  • nausea + vomiting
  • meniere’s disease
A

stemetil 5-10mg PO TDS

stemetil IM 12.5mg stat, then PO 5-10mg in 6/24

hydrochlorothiazide 25mg PO OD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly