Brugada syndrome (BrS) is a channelopathy that can also cause dangerous ventricular arrhythmias. Patients with BrS can have an abnormal pattern on their ECG. Brugada syndrome is the rarest of the channelopathies and usually presents when a person is in their 30's to 40's. However, it is often identified when family members of patient with BrS are being tested, or when someone is having an ECG for a non-cardiac reason, such as a sports physical. There is no treatment that completely prevents episodes of ventricular arrhythmias, but medications affecting sodium channels in the heart may be used.