It has been previously demonstrated that GDF‐15 levels correlate well with the degree of myocardial fibrosis, a substrate for the genesis of VT.20, 21 Furthermore, GDF‐15 added prognostic information on top of LVEF, which is currently the best marker for risk stratification for AD/RCA in patients with DCM. This evidence concerns the gene GDF15 and familial dilated cardiomyopathy.