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Nervous System & Special Senses


{"ops":[{"insert":"Optic neuritis"},{"insert":"\n","attributes":{"header":1}},{"insert":"The term \u0022optic neuritis\u0022 is used to indicate acute inflammation of the optic nerve. It is most often associated with multiple sclerosis and neuromyelitis optica. Key symptoms include blurred vision, photophobia, and painful eye movements.\n"},{"insert":"Diagnosis of multiple sclerosis and neuromyelitis optica"},{"insert":"\n","attributes":{"header":1}},{"insert":"The diagnosis of both multiple sclerosis and neuromyelitis optica requires evidence of dissemination in both space and time, either clinically, or in imaging studies.\r\n\r\nThe presence of a single demyelinating plaque is merely of predictive value, at most.\n"},{"insert":"Lhermitte\u0027s sign"},{"insert":"\n","attributes":{"header":1}},{"insert":"Lhermitte\u0027s sign manifests as an electric shock-like sensation that is typically induced by flexion of the neck, and which radiates down the back into the legs.\r\n\r\nWhile most closely associated with multiple sclerosis, this sign can also be seen in disorders of the cervical spinal cord.\n"}]}

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