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Table 2 Direction of lying down nystagmus(LDN) and head bending nystagmus(HBN) in 14 patients with probable localized HSC-BPPV

From: Lying-down nystagmus and head-bending nystagmus in horizontal semicircular canal benign paroxysmal positional vertigo: are they useful for lateralization?

  

Geotropic (N = 8)

Apogeotropic (N = 6)

Total (N = 14)

LDN

Directional LDN

33.3%(2/6)

33.3%(2/6)

33.3%(4/12)

Absent

25.0%(2)

0.0%(0)

14.3%(2)

HBN

Directional HBN

20%(1/5)

40%(2/5)

30%(3/10)

 

Absent

37.5%(3)

16.7%(1)

28.6%(4)

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BMC Ophthalmology

ISSN: 1471-2415

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