MYALGIC ENCEPHALOMYELITIS or EPIDEMIC NEUROMYASTHENIA by Dr. Melvin Ramsay
CHAPTER XVII MYALGIC ENCEPHALOMYELITIS or EPIDEMIC NEUROMYASTHENIA Taken from 147-152 pages of A. Melvin Ramsay and Ronald T.D. Emond's "Infectious Diseases" (Second Edition) 1978 book . Synopsis Myalgic encephalomyelitis or epidemic neuromyasthenia is a condition suggesting a primary infective process for which an aetiological agent has not yet been identified. Epidemics have been reported in various parts of the world since 1934. Approximately two-thirds of the cases show objective evidence of involvement of the central nervous system; tender foci occur in the muscles in rather more than a third of all cases; general asthenia and inability to concentrate are features of most cases and there is usually a prolonged aftermath characterised by emotional lability and fatigue. Relapses are common and may continue to occur over a period of many years. Some patients are left with permanent neurological and psychological sequelae; others recover uneventfully. An abnorma...