Benign paroxysmal positional vertigo diagnostic study of choice
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Benign paroxysmal positional vertigo Microchapters |
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Differentiating Benign Paroxysmal Positional Vertigo from other Diseases |
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Diagnosis |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Fahimeh Shojaei, M.D.
Overview
Diagnostic Study of Choice
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{{#ev:youtube|https://www.youtube.com/watch?v=RNBJLed_Slc&t=4s%7C500}} |
Study of choice
The diagnostic study of choice for BPPV is patient history and observing nystagmus on Dix-Hall pike maneuver.
Investigations:
- Among the patients who present with clinical signs of BPPV, the Dix-Hallpike maneuver is the most specific test for the diagnosis.
Diagnostic results
The following findings are confirmatory for BPPV:
- Recurrent brief vertigo attack which starts with certain head movements.
- Nystagmus on Dix-Hallpike maneuver.
Sequence of Diagnostic Studies
The various investigations must be performed in the following order:
If patients doesn't respond to treatment or doesn't show the typical nystagmus on Dix-Hall pike maneuver, in order to rule out other abnormalities we may perform some additional test such as:
- Electronystagmography (ENG) or video nystagmography (VNG)
- Audiometry
- Neuroimaging
For more information about these tests, click here.
Name of Diagnostic Criteria
There are no established criteria for the diagnosis of BPPV.