Fig. 3.

Vestibular assessment and assumed pathomechanism for symptoms and signs following physical treatment. A: Video-HIT following physical treatment, confirming restitution of VOR-gain values for the left ASC (0.72). B: After impulsive physical treatment, the clot likely crumbled and part of otoconia eventually fell within the utriculus whereas a residual amount of free-floating debris settled the left PSC, crossing the common crus (black dotted arrow). ASC, anterior semicircular canal; HIT, head impulse test; HSC, horizontal semicircular canal; LA, left anterior; LL, left lateral; LP, left posterior; PSC, posterior semicircular canal; RA, right anterior; RL, right lateral; RP, right posterior; VOR, vestibulo-ocular reflex.