Brugada Syndrome 4, also known as brgda4, is related to retinal cone dystrophy 4 and t cell and nk cell immunodeficiency. An important gene associated with Brugada Syndrome 4 is CACNB2 (Calcium Voltage-Gated Channel Auxiliary Subunit Beta 2), and among its related pathways/superpathways are Activation of cAMP-Dependent PKA and Integrin Pathway. Affiliated tissues include heart and heart-atrium, and related phenotypes are syncope and atrial fibrillation