A 52-year-old man presents with vertigo. He has no past medical history. He is not on any regular medications. His observations are normal.

Vertigo

1. List (5) positive features on history that support a CENTRAL cause for vertigo. 5 marks

2. List (5) positive findings on physical exam that would support a PERIPHERAL cause for vertigo. 5 marks

You are concerned that the patient has a central cause for his vertigo, so a CT scan is performed.

3. Describe, in detail, (2) abnormalities on the CT scan. 2 marks