Underlying cardiomyopathies: high-risk non-obstructive hypertrophic cardiomyopathy (3), Duchenne-related dilated cardiomyopathy (2), Hypokinetic dilated cardiomyopathy (1), Arrhythmogenic cardiomyopathy (ACM) associated to desmoplakin mutation (1). The gene discussed is DSP; the disease is dilated cardiomyopathy.