Benign Paroxysmal Positional Vertigo (BPPV) Q1 : incidence? The commonest cause of vertigo  20% of all dizziness.  50% of all dizziness in older people.  Female > Males: 1.6:1 to 2:1 Q2 : PATHOLOGY OF BPPV?  Ear rocks “otoconia”  Displaced from the otolithic membrane in the utricle  Typically settle in the dependent posterior canal and render ... Read More