Brugada Syndrome 5, also known as brgda5, is related to familial progressive cardiac conduction defect and progressive familial heart block. An important gene associated with Brugada Syndrome 5 is SCN1B (Sodium Voltage-Gated Channel Beta Subunit 1), and among its related pathways/superpathways are Cardiac conduction and Phase 0 - rapid depolarisation. Affiliated tissues include heart and temporal lobe, and related phenotypes are bundle branch block and ventricular fibrillation