They recommended that febrile higher-risk patients, defined as patients without an implantable cardioverter defibrillator who 1) have a pathogenic or likely pathogenic SCN5A mutation, 2) are aged <26 or >70 years, or 3) have a spontaneous Brugada type 1 pattern or cardiac syncope, attend an emergency department. Here, SCN5A is linked to Syncope.