Neuromuscular disorders most frequently associated with LVNC include Barth syndrome, mitochondrial disorders, myotonic dystrophy, Holt-Oram syndrome, dystrobrevinopathy, and Emery–Dreifuss muscular dystrophy, particularly those involving LMNA mutations [2,33,36,50,51,52,53,54,55,56]. The gene discussed is LMNA; the disease is Barth syndrome.