Vertigo physical examination
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Physical Examination
Ear
Vestibular Exam
Provocative Maneuvers
Dix-Hallpike (Baranay): Patient Sitting on Exam Table
- Lies down with head extending over table edge, 45° to one side
- Position change can occur slowly; should be held for > 30 sec
- Repeat with head turned 45° to opposite side, then without turning head
- Peripheral lesion
- 2-20 sec latency before onset of nystagmus
- Duration of nystagmus < 1 minute
- Fatigues with repetition of maneuver
- One type nystagmus (upbeat and torsional)
- Severe vertigo (spinning toward normal ear)
- Central lesion:no latency before onset of nystagmus
- Duration of nystagmus > 1 minute
- No fatiguability
- Direction may change with head position
- Less severe, if any, vertigo
Hearing
- Test gross hearing with whisper/finger tap
- If asymmetric hearing loss:
- Rinne test to confirm sensorineural (vs. conductive) loss
- Air>bone conduction with sensorineural loss
- Tympanum membrani (TM) exam to rule out acute or chronic otitis media as etiology
- Speech discrimination to assess cochlear or retrocochlear
- Identification of < 20% of 10 2-syllable words whispered into affected ear suggests retrocochlear lesion (acoustic neuroma)
- Identification of > 70% of words = cochlear disease
- Identification of 20-70% = indeterminate (audiology)
- Audiometry referral to confirm hearing loss
Eye
Nystagmus
Peripheral Lesions
- Horizontal +/- torsional component, never vertical
- Fast phase toward the normal ear
- Never reverses direction
- Suppressed by visual fixation
- (Prevent fixation via Frenzel lenses -> increased nystagmus)
Central Lesions
- Can be in any direction
- May reverse direction when patient looks in direction of slow phase
- Not suppressed by visual fixation
Neurologic
- Cranial nerves
- Motor/sensory deficits,
- Deep tendon reflexes (DTRs)
- Cerebellar signs?
- Central lesion
Romberg
- Unilateral peripheral lesion -> patient leans/falls to side of lesion, but able to walk
- Acute cerebellar lesion -> patient unable to walk without falling; variable direction of fall