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Encephalitis (Most common causes and salient points)



Most common causes :

  • Sporadic encephalitis - Herpes 
  • Epidemic encephalitis - Arbovirus
  • Viral encephalitis - Enterovirus (also MC meningoencephalitis)
  • Brainstem encephalitis - Rabies 


Viral encephalitis : causes

  1. Enterovirus (80%)
  2. Arbovirus
  3. Herpes
  4. Mumps

HSV encephalitis :
  • MRI - Temporal lobe hyperintensities on T2 and Flair
  • CSF : haemorrhagic ; PCR for HSV
  • Treatment - Acyclovir



MedicoNotebook - Founder : DrShiviMudgal , Co-Founder : DrAyushGoel

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