Table 1 provides an overview of clinical features in patients with SCN5A-related disease, specifically highlighting SCN5A-DCM probands described in the systematic reviews by Peters et al. and Hermida et al. [5, 10] All reported cases in Peters et al. with variant c.656G > A (n = 6) exhibited a DCM phenotype. The gene discussed is SCN5A; the disease is familial dilated cardiomyopathy.