Benign Paroxysmal Positional Vertigo

Question 1

Define Benign Paroxysmal Positional Vertigo (BPPV)?

Answer 1

Vertigo lasting seconds to minutes on changing head position (e.g. sitting to lying down or turning the head suddenly)

Question 2

What is the aetiology of BPPV?

Answer 2

Displacement of otoliths (from degeneration, trauma or post-viral) into the semi-circular canals

Question 3

What are the presenting symptoms of BPPV?

Answer 3

Dizziness
Vertigo
Loss of balance or unsteadiness
Nausea/vomiting

Question 4

What are the signs of BPPV on physical examination?

Answer 4

No signs

Question 5

What investigation would you do for BPPV?

Answer 5

Hallpike test