SCN5A and atrial fibrillation: Relevant studies were identified through systematic searches in the PubMed, EBSCOhost, and Google Scholar databases from inception to July 2025 using Boolean operators with keywords such as “Brugada Syndrome” AND “Atrial Fibrillation”, “Brugada” AND “AF” AND “Management”, and “Brugada” AND “SCN5A” AND “Atrial Arrhythmia”.