Study the finding, then test the visual cue against the linked Review and Q-Book material.
An atypical posterior-canal light-cupula case; do not label this as the classic brief upbeat-torsional posterior-canal BPPV response or as a generic central-vs-peripheral rule. Contact sheet reviewed: real eye footage and simultaneous patient positioning footage.
Akihide Ichimura and Koji Otsuka · CC BY 3.0 · inherited_catalog_not_refetched
License record ↗ · Media ID MED-8ff620364a1cd183a616
Demonstrates how to perform the test; it is not a close-up of a positive nystagmus response. Contact sheet reviewed: clinician turns seated patient's head, lowers to supine head-hanging position, holds and observes, then repeats contralaterally.
José Luis Ballvé Moreno et al. · CC BY 4.0 · inherited_catalog_not_refetched
License record ↗ · Media ID MED-b4d19912cf75bb93ad03
Treatment maneuver, not the diagnostic Dix-Hallpike test. Pair with the corresponding diagnostic video. Contact sheet reviewed: head and body repositioning from sitting through supine, rotated, lateral and upright positions.
José Luis Ballvé Moreno et al. · CC BY 4.0 · inherited_catalog_not_refetched
License record ↗ · Media ID MED-dcff24acba31a23a0027