Benign Paroxysmal Positional Vertigo (BPPV)

BPPV is the single most common cause of peripheral vertigo, characterised by brief episodes of spinning triggered by changes in head position. It is a mechanical disorder of the inner ear — free-floating otoconia in a semicircular canal — and is one of the few causes of vertigo that is both fully explained by simple physics and cured at the bedside without drugs. For NEET PG, the high-yield trio is: posterior canal i…