The Dix-Hallpike maneuver remains the gold standard for diagnosing posterior canal BPPV. A positive test requires that vertigo associated with torsional (rotatory) and up-beating (toward the forehead) ...
The most prevalent peripheral vestibular end-organ illness, benign paroxysmal positional vertigo (BPPV) is characterized by a rapid, brief gyratory sensation accompanied by distinctive nystagmus.