BPPV presentation after a head position change includes what?

BPPV presentation after a head position change includes what?

• A. Acute onset of vertigo and nystagmus with a brief latent onset period of 1-30 seconds
• B. Gradual dizziness over weeks
• C. Constant dizziness without vertigo
• D. Vertigo only with exertion

Answer: (A)

BPPV presents as vertigo that is triggered by specific head positions, with a brief delay before symptoms start and accompanied by nystagmus. When otoliths are displaced into a semicircular canal, tiny endolymph movements occur after you move your head, leading to a sudden spinning sensation that begins after a short latent period—typically about 1 to 30 seconds—and is seen together with nystagmus during the attack. These episodes are abrupt and brief, usually lasting seconds to under a minute, and can be reproduced with positional tests like the Dix-Hallpike maneuver. By contrast, gradual dizziness over weeks, constant dizziness without vertigo, or vertigo only with exertion don’t match the classic BPPV pattern.

BPPV presents as vertigo that is triggered by specific head positions, with a brief delay before symptoms start and accompanied by nystagmus. When otoliths are displaced into a semicircular canal, tiny endolymph movements occur after you move your head, leading to a sudden spinning sensation that begins after a short latent period—typically about 1 to 30 seconds—and is seen together with nystagmus during the attack. These episodes are abrupt and brief, usually lasting seconds to under a minute, and can be reproduced with positional tests like the Dix-Hallpike maneuver. By contrast, gradual dizziness over weeks, constant dizziness without vertigo, or vertigo only with exertion don’t match the classic BPPV pattern.