Tool
Self-assessment
Short bedside vignettes that test the calls that matter — interpreting the manoeuvre, localising the lesion, and choosing the next step. Every option carries a rationale, so a wrong answer still teaches.
After Dix-Hallpike to the right, a 5-second latency precedes a 30-second burst of torsional-upbeat nystagmus that fatigues on repeat. The diagnosis and treatment are: