VNG Testing Questions And Answers A+ Review

VNG Testing Questions And Answers A+ Review

1. otoscope, computer, goggles, patient
table, tv, caloric machine, lighting
what is needed to do VNG?
2. 48 hours how far in advance should patients
be given pre-test instructions?
3. any medicine (other than heart/ BP),
alcohol
what should you not take beforeVNG
testing?
4. 3 hours food/liquid should not be consumed
before testing
5. calibration what is the first step of VNG testing?
6. spontaneous and gaze nystagmus,
saccades, smooth pursuit, optokinetic, headshake, positional, caloric, icewater
7. patient stares ahead for 30 seconds, ask tasking questions (name 5
fruits), check for nystagmus
8. peripheral can be torsional, horizontal, and vertical. central is only one of
the three
9. gaze at screen, follow dot as it appears up, down, left right. check for
nystagmus
10. endpoint
name some tests in the VNG battery
how do you do the spontaneous nystagmus test?
what is the difference between the
direction of peripheral vs central nystagmus?
how is gaze nystagmus performed?
nystagmus can happen after gaze nystagmus test but is not
clinically significant (2-3 beats of nystagmus that does not persist)
11. central, acute peripheral if gaze nystagmus is present, what
type of pathology is it for veritcal/torsional nystagmus? what about increased with denied fixation?