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DictionarySeeencephalomyelitisEncyclopediaSeeEncephalomyelitispostvaccinal encephalomyelitis
encephalomyelitis [en-sef″ah-lo-mi″ĕ-li´tis] inflammation of the brain and spinal cord.acute disseminated encephalomyelitis an acute or subacute encephalomyelitis or myelitis occurring most commonly following an acute viral infection, especially measles, but sometimes occurring without a recognizable antecedent. Clinical manifestations include fever, headache, vomiting, and drowsiness progressing to lethargy and coma; tremor, seizures, and paralysis may also occur. Mortality ranges from 5 to 20 per cent, and many survivors have residual neurologic deficits.benign myalgic encephalomyelitis chronic fatigue syndrome.equine encephalomyelitis a type of encephalomyelitis in horses and mules, caused by an alphavirus and spread to humans by mosquitoes; it occurs in summer epizootics in the Western Hemisphere. Three forms are recognized: eastern, western, and Venezuelan. Called also equine encephalitis.equine encephalomyelitis, eastern a viral disease similar to western equine encephalomyelitis, but occurring in a region extending from New Hampshire to Texas and as far west as Wisconsin, and in Canada, Mexico, the Caribbean, and parts of Central and South America.equine encephalomyelitis, Venezuelan a viral disease of horses and mules, transmissible to humans; the causative agent was first isolated in Venezuela. The infection in humans resembles influenza, with little or no indication of nervous system involvement.equine encephalomyelitis, western a viral disease of horses and mules, communicable to humans, occurring chiefly as a meningoencephalitis with little involvement of the medulla oblongata or spinal cord; observed in the United States chiefly west of the Mississippi River.granulomatous encephalomyelitis a disease marked by granulomas and necrosis of the walls of the cerebral and spinal ventricles.postinfectious encephalomyelitis (postvaccinal encephalomyelitis) acute disseminated encephalomyelitis.post·vac·ci·nal en·ceph·a·lo·my·e·li·tisa severe type of encephalomyelitis that can follow a rabies vaccination. Synonym(s): postvaccinal encephalitispost·vac·ci·nal en·ceph·a·lo·my·e·li·tis (pōst-vak'sĕ-năl en-sef'a-lō-mī'ĕ-lī'tis) A severe type of encephalomyelitis that can follow a rabies vaccination. |