Head Tilt

Question 1

A disturbance of the vestibular system is indicated by-

Answer 1

Head tilt

Nystagmus

Question 2

With central or peripheral vestibular disease, the head tilt and circling occur

Answer 2

Ipsilateral to the lesion

Question 3

Animals with peripheral vestibular disease have 3 important descriptors

Answer 3

Normal consciousness but disoriented
Facial nerve deficits or Horner’s syndrome
Have horizontal or rotary nystagmus

Question 4

Animals with central vestibular disease have additional clinical signs

Answer 4

Deficits of cranial nerves V to XII
Ipsilateral UMN paraparesis or postural deficits
Depression of consciousness

Question 5

Nystagmus with central disease can:

Answer 5

Be horizontal, rotary or vertical

Change with different positions of the head

Question 6

What is different about paradoxical vestibular disease?

Answer 6

Head tilt and circling contralateral to the lesion

Proprioceptive deficits contralateral to the head tilt

Question 7

How is paradoxical vestibular disease characterised?

Answer 7

Vestibular signs with cerebellar disease

Dysmetria, head tremor or truncal sway

Question 8

What is pendulous nystagmus and when is it encountered?

Answer 8

Small oscillations with no fast or slow phase

Incidental in Siamese, Birman and Himalayan cats