Vestibular System Flashcards
Central vs. Peripheral
Severe ataxia
Central
Central vs. Peripheral
Mild ataxia
Peripheral
Central vs. Peripheral
Abnormal pursuit and saccadic eye movements
Central
Central vs. Peripheral
Positional testing may produce nystagmus
Peripheral
Central vs. Peripheral
Saccadic eye movemetns and pursuit are normal
Peripheral
Central vs. Peripheral
Usually no hearing loss
Central
Central vs. Peripheral
Hearing loss is sudden and often permanent
Central
Central vs. Peripheral
Hearing loss is usually present
Peripheral
Central vs. Peripheral
Hearing loss has an insidious onset
Peripheral
Central vs. Peripheral
Fullness of the hear
Peripheral
Central vs. Peripheral
Tinnitus
Peripheral
Central vs. Peripheral
Diplopia
Central
Central vs. Peripheral
Altered consciousness
Central
Central vs. Peripheral
Lateropulsion
Central
Central vs. Peripheral
Acute vertigo cannot be suppressed by visual fixation
Central
Central vs. Peripheral
Acute vertigo suppressed by visual fixation
Peripheral
Central vs. Peripheral
More intense acute vertigo
Peripheral
Central vs. Peripheral
Pendular nystgmus
Central
Central vs. Peripheral
Jerk nystagmus
Peripheral
Central vs. Peripheral
Vertical nystagmus regardless of positional testing
Central
Central vs. Peripheral
Horizontal nystagmus
Peripheral
Vestibular pathologies
Positive Romberg Test
Acute UVH
Avute BVH
Vestibular pathologies
Negative Romberg Test
BPPV
Central lesion
Chronic UVH
Chronic BVH
Vestibular pathologies
Positive Tandem Romberg Test
Central Lesion
UVH (only at eyes closed)
BVH
Vestibular pathologies
Negative Tandem Romberg Test
BPPV
Vestibular pathologies
Positive Single-leg stance
Central Lesion (unable to perform)
UVH (may be positive)
Acute BVH
Vestibular pathologies
Negative Single-leg stance
BPPV
Chronic BVH
Vestibular pathologies
Abnormal gait
Central (pronounced ataxia) Acute UVH (wide base, slow, decreased swing and rotation) Acute BVH (wide base, slow, decreased swing and rotation)
Vestibular pathologies
Normal gait
BPPV Chronic UVH (compensated to normal) Chronic BVH (compensated, but still with mild deviations)
Vestibular pathologies
Positive in Turning head while walking
BPPV (may produce slight unsteadiness)
Acute UVH (may not keep balance)
BVH (May not keep balance or slows cadence)
Central Lesion (may not keep balance, increased ataxia)
Vestibular pathologies
Negative in Turning head while walking
Chronic UVH (compensated to normal)