SGL 6- Graf Flashcards
1
Q
Which vestibular receptor system is most often affected by BPPV?
A
posterior
2
Q
What is the cause for BPPV?
A
loose particles, mostly in the posterior semicircular canal
3
Q
What is nystagmus?
A
oscillating eye movements
4
Q
What “endolymph current” excites the posterior canal (so-called on-direction)?
A
ampullofugal
5
Q
Besides the patient’s history, what should you test and observe to arrive at the diagnosis of BPPV?
A
eye movements and nystagmus
6
Q
What is the method of choice to help a BPPV patient?
A
Epley maneuver
7
Q
What does nystagmus consist of?
A
slow and fast phases
8
Q
Where is the nystagmus center?
A
nowhere
9
Q
What is a probable cause for Menière’s Disease?
A
leakage of endolymph onto the eighth nerve
10
Q
How is the direction of nystagmus defined?
A
according to the fast phase
