LMNA mutations cause a variety of inherited diseases referred to as laminopathies which are associated with a wide spectrum of disease phenotypes, ranging from skeletal muscle disease, pre-mature ageing, metabolic disorders, and cardiac abnormalities. We present a case of a 14-year-old boy with dilated cardiomyopathy induced by the LMNA mutation (p. R429C) and described its electrocardiogram and imaging features.