Alterations in NaV1.5 have been associated with a number of conditions such as loss‐of‐function mutations causing Brugada syndrome, and gain‐of‐function mutations causing long QT Syndrome type 3 (Jeevaratnam et al., 2016; Saadeh, Chadda, et al., 2020). Here, SCN5A is linked to Brugada syndrome.