BBPV (FF) Flashcards
Symptoms of BPPV?
- Vertigo
- Nausea
- Nystagmus (most important for diagnosis)
Duration differences between Canalithiasis and Cupuloathiasis
Canalithiasis: < 60 Seconds
Cupuloathiasis: > 60 Seconds
Latency differences between Canalithiasis and Cupuloathiasis
Canalithiasis: 1-40 seconds
Cupuloathiasis: Immediate
Intensity of Nystagmus differences between Canalithiasis and Cupuloathiasis
Canalithiasis: Fluctuation
Cupuloathiasis: No change in intensity
What canals will Torsional/rotational nystagmus be present?
Vertical (anterior or posterior canals)
What canals are affected with the presence of horizontal nystagmus
Horizontal Canals
Up-beating torsional nystagmus will indicate which canal?
Posterior Canal
Down-beating torsional nystagmus will indicate which canal?
Anterior Canal
Which way is the head turned during the Dix-Hallpike Test?
Head turned (45 degrees) towards the affected side/ear
The Epley maneuver is primarily used to treat which canal?
Posterior Semicircular Canal (mainly), but can be used for anterior
(Canalithiasis)
How long to maintain head positions during the Epley Maneuver?
1 - 2 minutes or until nystagmus has stopped
The Supine Roll Test is used to test which canals?
Horizontal Canals
(Head down first on affected side)
What is considered a positive Supine Roll Test
Horizontal Nystagmus Without Torsion
What is Geotropic Nystagmus, what is indicated?
Canalithiasis
- Horizontal Nystagmus beating towards the ground
What is Ageotropic Nystagmus, what is indicated?
Cupuloithiasis
- Horizontal Nystagmus beating away from the ground