Spinal myoclonus: clinical features
Evidence-based neurology checklist on spinal myoclonus: clinical features: Features of segmental spinal myoclonus (SSM) This usually results from structural abnormalities It manifests with focal or segmental repetitive jerks The jerks are confined to one or several adjacent spinal segments They…
Features of segmental spinal myoclonus (SSM)
- This usually results from structural abnormalities
- It manifests with focal or segmental repetitive jerks
- The jerks are confined to one or several adjacent spinal segments
- They persist in sleep and during voluntary activity
- They may demonstrate stimulus sensitivity
- Minipolymyoclonus is a form of SSM involving the fingers or toes
- The electromyogram (EMG) shows prolonged myoclonic bursts
