Anterior semicircular canal BPPV with positional downbeat nystagmus without latency, habituation and adaptation
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Conflict of interest
The authors report no conflict of interest.
Video 1 (MPG 13,555 kb). The patient is in left DHT, down beat nystagmus (DBN) with slight torsional component towards the right ear is seen, without latency or adaptation
© Springer-Verlag 2011