Benign Paroxysmal Positional Vertigo
Benign Paroxysmal Positional Vertigo
Benign Paroxysmal Positional Vertigo
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Positive Dix Hallpike<br />
Nystagmus for posterior canal canalithiasis<br />
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Torsional to undermost ear + upbeating<br />
Latency: 10-30 sec, duration d<br />
10-45 seconds<br />
May reverse in direction on rising<br />
Habituation of response with repeat manoeuvre<br />
Subjective report of vertigo by patient<br />
<br />
<br />
(Anterior: torsional and downbeating on DH)<br />
(Horizontal: horizontal on roll test)
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