Case 2 · Foundation
Brief vertigo on rolling over in bed
A 58-year-old reports repeated episodes of intense spinning lasting under a minute, reliably triggered by lying down, sitting up, or rolling over in bed. Between episodes she feels entirely well.
Findings
- Vertigo provoked by a positional manoeuvre, after a brief latency
- Transient upbeat-torsional nystagmus that fatigues on repetition
- Normal hearing and normal head impulse test
- No symptoms when the head is kept still