BPPV

Question 1

what is BPPV characterised by?

Answer 1

sudden onset dizziness and vertigo triggered by changes in head position

Question 2

what is the average age of onset?

Answer 2

55 years, less common in younger pts

Question 3

what are the features of BPPV?

Answer 3

• vertigo triggered by change in head position (e.g. rolling over in bed/gazing upwards)
• may be assoc. w nausea
• each episode typically lasts 10-20 secs
• +ve Dix-Hallpike manoeuvre

Question 4

what is the prognosis for BPPV?

Answer 4

good Px, usually resolves spontaneously after a few weeks-months

sx can recur 3-5 years after dx

Question 5

how can symptomatic relief be gained for BPPV?

Answer 5

• Epley manoeuvre

- teaching pt exercises they can do themselves at home (vestibular rehabilitation)

Question 6

what medication is often prescribed, but is often of limited value?

Answer 6

betahistine