Episodic Ataxia Types Diagnosis And Treatment
Episodic Ataxia Type 1 The spells of unsteadiness caused by episodic ataxia type 1 (EA1) usually last only for minutes at a time. These periods are often brought on by exercise, caffeine, or stress. Sometimes there may be a rippling of the muscles (myokymia) that comes on with the ataxia. Symptoms usually begin in adolescence. Episodic ataxia type 1 is caused by a mutation in a potassium ion channel. This channel usually permits electrical signaling in nerve cells, and these signals may become abnormal when the channel is changed by a genetic mutation....