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Etymology: Alan E.H. Emery, British geneticist, b. 1928; Fritz E. Dreifuss, twentieth-century British physician, 1926-1997
an X-linked recessive form of muscular dystrophy that begins in early childhood and is characterized by joint contractures and cardiac conduction disorders. Patients who reach adulthood are often unable to work and require cardiac pacemakers to control arryhthmias.