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BPPV
• Normal physiology
• Pathophysiology – a positioning vertigo
• Diagnosis – correlating disease with symptoms and signs
• Cure – The Epley Manoeuvre
• Place of drugs – none
BPPV
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Correlate pathophysiology with symptoms
• Symptoms only occur when a particular SCC is stimulated
• The duration of an individual episode of vertigo is typical – seconds only
• Episodes come in spells
Diagnosis and Cure
• The Dix Hallpike test is diagnostic
• The Epley Manoeuvre is curative
Dix 1
Dix 2
Dix 2b
Right Ear Downwards
Characteristics of the nystagmus
• Latent period – it doesn’t start immediately
• Duration – less than a minute
• Geotropic – towards the undermost ear
• Reversed – when sitting up
• Fatigable – less severe on second test
Epley