Medical experts have identified genetic mutations in some of these proteins, which can lead to Brugada Syndrome, a rare, inherited disorder of the heart’s electrical system that causes a heart arrhythmia (erratic heartbeat).
Brugada syndrome often shows no warning signs. Your physician may first find it during an electrocardiogram (ECG). Unfortunately, the first sign may be a sudden cardiac arrest (heart stoppage because of severe arrhythmia) or death.