Anatomy
Diagnosis
Medical Screening
Examinations/ Interventions
Case Scenario
100

What are the Otolith Organs

Utricle and saccule

100

This term describes the sensation that the room/ world is spinnig 

Vertigo

100

This test must be performed before anything to assess for VBI  

VAT or MVAT

100

Cuplolithiasis latency period lasts how long

there is no latency period

100

55 year old complains of dizziness when rolling in bed-what test would you perform 

Roll Test 

200

what is the name of the crystals found in the inner ear

Ootoconia
200

This condition is associated with drop in BP by at least 20mmHg when standing from supine 

Orthostatic Hypotension

200

Name positive mVAT symptoms 

Dizziness, drop attacks, disequilibrium, diplopia, & dysarthria

200

How long do canalithiasis symptoms last 

Less than 60 seconds

200

55 year old complains of dizziness when rolling in bed. During Rolling Test he shows geotropic nystagmus bilaterally. On the left side, the nystagmus is stronger and fatigues in under 50 seconds after short delay 

Left  horizontal canalithiasis 

300

What is the artery that supplies the inner ear

Labyrinthine artery 

300

What is the tempo for BPPV

Chronic Seconds 

300

3rd degree  gaze evoked nystagmus is seen in how many gaze positions 

all 3 positions

300

This positional test assesses for horizontal canal BPPV and looks for geotropic or apogeotropic nystagmus 

Roll Test

300

PT performs a Right Dix Hallpike and you observe upbeating Right torsional nystagmus and latency period of less that 60 sec, which canal is involved 

R posterior vertical canalithiasis 

400

What are the neurologic pathways for visual input

Dieter's tract & medial longitudinal Fasiculus (MLF)

400

Name 2 Examples of  Peripheral Vestibular disorders

UVH/UVL, BVH/BVL, Motion sensitivity, BPPV, Labyrinthitis or vestibular neuritis  

400

This test checks for unilateral or bilateral vestibular hypofunction by rapidly turning the head while maintaining gaze on a target

Head impulse test (HIT) 

400

You have a positive roll test for R canalithiasis - will you see strong or weak nystagmus on the LEFT side 

weak nystagmus 

400

68 Year old presents on gaze- evoked nystagmus  in all 3 directions. She also reports some imbalance and mild dysarthria. Is this a CNS, Peripheral, or 

CNS

500

Where is the Vestibular Nuclear Complex located?

between pons-medulla and cerebellum
500

This condition worsens when still and improves with passive motion; often follows boat or cruise travel

Mal Debarquement 

500

A positive test of Gaze Evoked Nystagmus  

greatest nystagmus when looking away from involved side 

500

After performing roll test you noticed no latency period and weak nystagmus on the left- what is the involved side.

Left side - cupulolithiasis

500

A 47 y/o reports of feeling off-balance when walking in the dark. She denies vertigo or lightheadedness and reports getting over an infection 1 week ago. HIT is positive bilaterally and she has difficult with gait when performing Heel-to-toe walking. Smooth pursuit are normal. 

BVH