Benign Paroxysmal Positional Vertigo

Question 1

Define 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

Explain the aetiology/risk factors for BPPV

Answer 2

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

Question 3

Recognise the presenting symptoms of BPPV

Answer 3

Dizziness
Vertigo
Loss of balance or unsteadiness
Nausea/vomiting

Question 4

Recognise the signs of BPPV on physical examination

Answer 4

No signs

Question 5

Identify appropriate investigations for BPPV

Answer 5

Hallpike test - turn head in opposite direction to otolith displacement with force.