SGL 6- Graf Flashcards
Which vestibular receptor system is most often affected by BPPV?
posterior
What is the cause for BPPV?
loose particles, mostly in the posterior semicircular canal
What is nystagmus?
oscillating eye movements
What “endolymph current” excites the posterior canal (so-called on-direction)?
ampullofugal
Besides the patient’s history, what should you test and observe to arrive at the diagnosis of BPPV?
eye movements and nystagmus
What is the method of choice to help a BPPV patient?
Epley maneuver
What does nystagmus consist of?
slow and fast phases
Where is the nystagmus center?
nowhere
What is a probable cause for Menière’s Disease?
leakage of endolymph onto the eighth nerve
How is the direction of nystagmus defined?
according to the fast phase