Brainstem, Vestibular Disease, and Deafness

Question 1

What clinical signs are associated with brainstem disease?

Answer 1

GP ataxia
Postural reaction deficits (ipsilateral)
UMN paresis
CN deficits (ipsilateral)
+/- vestibular signs

Question 2

What clinical signs are associated with vestibular disease?

Answer 2

Ataxia
Head tilt (ipsilateral)
Circle (ipsilateral)
Central Disease = hemiparesis/postural reaction deficits
Nystagmus
Strabismus
Horner’s syndrome
Facial paresis/paralysis

Question 3

What signs of vestibular disease are indicative of central disease?

Answer 3

Hemiparesis/postural rxn deficits
Vertical nystagmus

Question 4

Fast phase of nystagmus is always _______ from lesion.

Answer 4

AWAY
Towards in paradoxical

Question 5

What is paradoxical vestibular disease? What is seen?

Answer 5

Cerebellar involvement
Head tilt AWAY
Falling, leaning AWAY
Fast phase nystagmus TOWARDS
Postural reaction deficits on SAME side of lesion

Question 6

What drugs are associated with ototoxicty?

Answer 6

Aminoglycosides

Question 7

What drugs are associated with central vestibular disease?

Answer 7

Metronidazole