Benign Paroxysmal Positional Vertigo

Question 1

Definition

Answer 1

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

Question 2

Aetiology/Risk factors

Answer 2

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

Question 3

Presenting symptoms

Answer 3

· Dizziness

· Vertigo

· Loss of balance or unsteadiness

· Nausea/vomiting

Question 4

Signs on physical examination

Answer 4

No signs

Question 5

Investigations

Answer 5

Hallpike test - will bring on symptoms and possibly cause nystagmus on affected side