Vestibular migraine or BPPV?

There are close similarities between benign paroxysmal positional vertigo (BPPV) and vestibular migraine (VM) as both can be presented by positional nystagmus. Though BPPV remains the commonest cause of pure positional vertigo, VM can mimic this condition. This study is...

Horizontal nystagmus: vestibular neuritis or lateral canal BPPV?

A horizontal nystagmus due to lateral canal (LSC) BPPV that is present in the upright position, that changes direction with head turn in the horizontal plane has been termed ‘pseudo-spontaneous nystagmus’ (PSN) because it mimics that of vestibular neuritis. The...