Episodic Ataxia, Type 4, also known as episodic ataxia type 4, is related to episodic ataxia, type 2 and episodic ataxia, type 1, and has symptoms including ataxia, muscle spasticity and nausea. An important gene associated with Episodic Ataxia, Type 4 is CACNB4 (Calcium Voltage-Gated Channel Auxiliary Subunit Beta 4), and among its related pathways/superpathways are Transmission across Chemical Synapses and Fc-GammaR Pathway. Affiliated tissues include pancreas, and related phenotypes are ataxia and diplopia