Benign paroxysmal positional vertigo: Difference between revisions
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==Background== | ==Background== | ||
* | *Otolith are dislodged from utricle and migrate into one of the semicircular canals | ||
==Diagnosis== | ==Diagnosis== | ||
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[[File:Epley Maneuver.png]] | [[File:Epley Maneuver.png]] | ||
== | ==Source== | ||
*UpToDate | *UpToDate | ||
[[Category:Neuro]] | [[Category:Neuro]] | ||
Revision as of 03:26, 4 October 2011
Background
- Otolith are dislodged from utricle and migrate into one of the semicircular canals
Diagnosis
- Dix-Hallpike Maneuver (50-80% Sn)
- Contraindications:
- Carotid bruits
- Cerebrovascular disease
- Concern for vertebrobasilar insufficiency
- Spinal injury
- Cervical spondylosis
- Procedure
- Step 1 of the Epley maneuver (see below)
- Positive test = onset of nystagumus after few seconds of latency lasting <30s
- If pt has positive test with head turned to right then right ear is affected
- Contraindications:
Treatment
- Epley maneuver
- Dix-Hallpike maneuver plus additional maneuvers to replace the migrated otolith
Source
- UpToDate