Brugada syndrome is a genetic disorder linked to ventricular arrhythmias, syncope, and sudden cardiac death, typically in structurally normal hearts. ECG hallmarks include coved-type ST elevation ≥2 mm in leads V1-V3, T-wave inversion, and right bundle branch block pattern. Diagnosis often requires clinical criteria, including symptoms or family history, as ECG changes can be dynamic. Management may involve ICD placement or quinidine in high-risk cases.