Benign Positional Paroxysmal Vertigo(BPPV) Flashcards
what are some of the causes of BPPV
head trauma, ear surgery, idiopathic
describe the prevalence of BPPV
very common, commonest cause of vertigo on looking up
describe the pathophysiology of BPPV
otoconia(crystals) from utricle displaced into semi-circular canals, most commonly into posterior semi-circular canal
what presenting complaints are very suggestive of BPPV
vertigo on; looking up, turning in bed, first lying down, first getting up, bending down, moving head quickly
what is the diagnostic test for BPPV
Dix Hallpike test
what type of nystagmus is seen in BPPV
vertical and torsional geotropic nystagmus
what are the different treatments used for BPPV
Repositioning by; Epley Manoeuvre, Semont Manoeuvre, Brandt-Daroff Exrercises
what is the most commonly used treatment for BPPV
Epley manoeuvre
when is Brandt-Daroff excercises a useful treatment for BPPV
can be done at home by patient and so are good for chronic BPPV
what is the principle of treatment for BPPV
trying to return otoconia from posterior semi-circular canal to the utricle/vestibule
describe the success of Epley manoeuvre
70-75% treated with single manoeuvre, 90% symptom free with two