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What is Which of the following tests is not required for the diagnosis of multiple sclerosis? and explain in detail?
Electronystagmogram(ENG) Measures normal eye movement and involuntary rapid eye movements called nystagmus . Checks the muscles, that control eye movements. Checks how well the eyes, inner ears , and brain help you keep your balance and position Revised McDonald criteria for diagnosis of MS following investigation should be done: 1. MRI (Gadolinium-enhanced): Plaques/Dawson Fingers 2. Lumbar puncture-CSF electrophoresis shows Oligo-clonal IgG bands. 3. Visual evoked potential(VEP): shows reduced amplitude of voltage generated due to plaques in optic nerve.