A rare systemic disease characterized by a severe phenotype in all male patients, combining abnormality of connective tissue typical for Ehlers-Danlos syndrome (including joint hypermobility, scoliosis, soft and doughy skin, hyperextensible skin, abnormal scarring, facial peculiarities, and generalized hypotonia, among others) and eventually lethal congestive heart failure due to polyvalvular disease. Female carriers are affected to a variable degree. [from
ORDO]