Conditions / Nervous system
episodic ataxia type 1
info · Nervous system
An episodic ataxia that is characterized by periodic ataxia and frequent myokymic discharges, and has_material_basis_in autosomal dominant inheritance of mutation in the potassium channel gene KCNA1.
Signs and symptoms
- Abnormality of the hand
- Incoordination
- Myokymia
- Elevated circulating creatine kinase activity
- Babinski sign
- Vertigo
- Episodic ataxia
- Abnormality of the musculature
- Dysarthria
- Spastic gait