5 Interesting Facts of Encephalitis

  1. Symptoms are flulike and may progressively worsen
  2. Classically presents as encephalopathy with diffuse or focal neurologic symptoms
  3. May involve headache, fever, confusion, unsteady gait, stiff neck and back, and photophobia; severe cases may involve muscle weakness, paralysis, memory loss, sudden impaired judgment, or poor responsiveness
  4. Lumbar puncture and cerebrospinal fluid analysis are indicated when CT or MRI excludes presence of a space-occupying lesion or other diagnosis. Specific findings vary depending on causative pathogen
  5. Differentiated based on history, physical examination, and abnormal findings on lumbar puncture and cerebrospinal fluid analysis

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