Dizziness

Question 1

What are the 4 typical clinical syndromes of dizziness

Answer 1

1. Acute vestibulopathy
2. Recurrent Vestibulopathy
3. Motion induced
4. Chronic Dysequillibrium

Question 2

What are the 5 most common causes of Acute vestibulopathy

Answer 2

Vestibular neuronitis, Cerrebellar/brainstem stroke, internal auditory artery ischemia and demyleinating diseases

Question 3

What are the 3 most common causes of rercurrent vestibulopathy

Answer 3

1. Miniere’s Disease
2. Migrainous vertigo
3. Vestibulo basilar ischemia

Question 4

What are the 2 most common causes of motion induced vertigo

Answer 4

BPPV and Uncompensated peripheral vestibular lesion

Question 5

What are the mechanisms to differentiate between vestibuloneuronitis and cerebellar/pontine stroke

Answer 5

Stroke will have wide range of bidirectional horozontal vertical and torsional nystagmus with severe ataxia that must require assistance to stand. Stroke will also be head impulse test negative. Hence there will also be additional neurological defecits present. If all present then get a CT to reconfirm

Question 6

What are the typical neurological signs

Answer 6

• Diplopia
• dysphagia
• Dysarthria
• Motor/sensory and visual field defects