cardiomyopathy, dilated, 2G (MONDO_0030887, a Monarch Disease Ontology identifier) can be described as follows. A dilated cardiomyopathy that is characterized by early-onset severe dilated cardiomyopathy that progresses rapidly to heart failure in the neonatal period without evidence of intervening hypertrophy and that has material basis in homozygous or compound heterozygous mutation in the LMOD2 gene on chromosome 7q31. Also known as: CMD2G.