The electrical activity around the ventricles may go in to disarray and cause the heart muscle to beat uncoordinatedly causing ventricular tachycardia. If the tachycardia develops in to ventricular fibrillation, the condition can be life threatening.
Brugada syndrome affects 3 in 1000 people in the West and 14 in 1000 in Asia. It is most prevalent in Southeast Asia where it affects more males than females; the ratio is approximately 8:1. It can affect all ages from baby to pensioner but it is more common in years 35 to 45.