LMNA and familial dilated cardiomyopathy: However, over the years, LMNA mutations have been also associated with a combination of morpho-functional phenotypes between DCM and arrhythmogenic right ventricular cardiomyopathy (ARVC) (Forleo et al., 2015), underlining the urge for a new (and wider) classification of cardiac laminopathies (Arbustini et al., 2013).