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Figure 1

From: Vertical Nystagmus in the Bow and Lean Test may Indicate Hidden Posterior Semicircular Canal Benign Paroxysmal Positional Vertigo: Hypothesis of the Location of Otoconia

Figure 1

Flow chart. Patients who showed vertical nystagmus in the BLT, along with their diagnosis. Analysis in this study was performed in 208 BPPV and 17 non-BPPV patients who exhibited vertical nystagmus in the BLT. BLT, Bow and Lean Test; BPPV, benign paroxysmal positional vertigo. PSC, posterior semicircular canal; HSC, horizontal semicircular canal; ASC, anterior semicircular canal.

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