meningitis & encephalitis

Q: How the difference between encephalitis and meningitis can be established?

Answer: In patients with meningitis cerebral function remains normal though seizure may occur followed by post-ictal changes. In contrast, patients with encephalitis develop deficit with the brain function from altered mental status to the motor or sensory deficits (such as hemiparesis, flaccid paralysis or paresthesias). It may also include speech or movement disorders. Encephalitis may also present as behavior or personality changes. 

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Reference:

Matthew Short. Meningitis and encephalitis. Sage Journal. Volume: 9 issue: 10, page(s): 589-596