Diagnostic criteria for Brugada syndrome
| Diagnostic ECG criteria | One of the following must also be present |
| Type 1 BrS pattern in ≥2 ECG leads (V1–V3)* | Documented VF |
| Documented polymorphic VT | |
| Family history of SCD <40 years old | |
| Type 1 BrS ECG patterns in family members | |
| Inducible VT with programmed electrical stimulation | |
| Syncope | |
| Nocturnal agonal respiration |
↵* In the presence or absence of a sodium channel blocking agent.
BrS, Brugada syndrome; SCD, sudden cardiac death; VF, ventricular fibrillation; VT, ventricular tachycardia.