Symptoms and causes of vertigo
| Peripheral vestibular disorder | Central vestibular disorder |
|---|---|
| Nystagmus | Nystagmus |
| Horizontal with a tortional componant | Gaze evoked |
| Increase in intensity when gaze to side of fast phase | Horizontal, vertical, or tortional |
| Nystagmus can be controlled by fixation | Nystagmus cannot be controlled by fixation |
| Normal CNS examination | May be: |
| Unsteady gait lean or fall to side opposite the fast phase of nystagmus | Cranial nerve signs |
| Cerebellar signs | |
| Motor weakness | |
| Other CNS disturbance | |
| May be unable to walk without falling |