It is important to note that our custom-made NGS panel not only included currently known DCM-associated genes but also genes related to inherited channelopathies[21] because we have previously demonstrated that mutation delQKP 1507 to 1509 in the cardiac sodium channel encoding gene, SCN5a, is associated with the expanding phenotypic spectrum of DCM, conduction disorder, long QT syndrome type 3 and sudden youth death.[22]. Here, SCN5A is linked to long QT syndrome 3.