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Home > West Medicine > Internal Medicine > Infectious Diseases
G04.900x019

Sporadic Encephalitis

传染科

Common symptoms

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The pathology of disease

Sporadic encephalitis is an acute encephalitic illness presenting with fever, headache, altered consciousness, focal neurologic signs, and seizures, occurring sporadically (not in an epidemic). Causes: herpes simplex virus, other viruses, autoimmune, and unknown. It is a medical emergency. Diagnosis: CSF, EEG, MRI. Treatment: empiric acyclovir pending HSV exclusion, supportive ICU care, and treat identified cause (autoimmune encephalitis requires immunotherapy).

Common Symptoms

Fever; headache; altered consciousness; focal neurologic signs; seizures; sporadic (non-epidemic) onset

Causes and Pathogenesis

Various viruses (HSV etc.), autoimmune, or unknown cause inflame brain parenchyma, producing encephalitic symptoms.

Treatment

Empiric acyclovir pending HSV exclusion; ICU supportive care; immunotherapy for autoimmune encephalitis

Preventive Measures

HSV vaccination where available; early recognition of encephalitis.

Department to Visit

It is recommended to visit the Neurology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.