BPPV

Question 1

Conditions of the INNER EAR where the patients present ONLY WITH VERTIGO

Answer 1

BPPV - most common cause of vertigo
Vestibular neuritis

Question 2

Typical history given by patients with BPPV

Answer 2

Vertigo lasting for only a few seconds upon POSITION CHANGE

Question 3

Otolith is composed of what?

Answer 3

Calcium carbonate crystals

Question 4

Most common scc involved in BPPV is

Answer 4

Posterior scc

Second m/c is lateral or horizontal scc

SUPERIOR SCC is almost NEVER INVOLVED

Question 5

Treatment of BPPV

Answer 5

Repositioning the otolith and this manoeuvre of repositioning is different for each scc ; due to this it is important to identify the type of scc involved

Question 6

How is the involvement of posterior scc and horizontal scc is identified ?

Answer 6

Posterior scc - Dix hallpike manoeuvre
Horizontal scc - supine roll

Vertigo is associated with nystagmus

Question 7

What is ewald’s first law ?

Answer 7

It states that the direction of nystagmus is in the plane of the semicircular canal that is stimulated

Question 8

Direction of nystagmus?

Answer 8

Direction of nystagmus is towards the more active semi circular canal, here the one that has the otolith is hyperactive

Question 9

Epley’s manoeuvre is done for which scc?

Answer 9

Posterior scc

If problem is in right posterior scc then start with right side turning of head

Question 10

Manoeuvre for horizontal scc

Answer 10

Barbecue roll / gufoni manoeuvre