Paroxysmal positional vertigo revisited: is it benign, pseudo-benign or malignant?
Dix and Hallpike firstly described Benign Paroxysmal Positional Vertigo(BPPV) in 1952. Since then, this disease have been widely recognized among clinicians. There are some charactstic symptoms such as, having critical head position, being pure rotatory nystagmus with the phenomenon of crescendo and decrescendo, having fatigue phenomenon on provocation of the vertiginous attack.. Pathogenesis of the […]