Examples of J-wave disorders are arrhythmias associated with an early repolarization pattern in the inferior or mid to lateral precordial leads, Brugada syndrome, some cases
[genecards.org]
ABCC9 is a novel Brugada and early repolarization syndrome susceptibility gene. Int J Cardiol. 2014;171:431–42.
[ncbi.nlm.nih.gov]
Hu D, Barajas-Martínez H, Terzic A, Park S, Pfeiffer R, et al: ABCC9 is a novel Brugada and early repolarization syndrome susceptibility gene.
[karger.com]