25- Viral encephalitis Flashcards
meningitis vs encephalitis
meningitis: light symptoms
encephalitis: altered mental status, sensory defects, altered brahavior
primary infection in viral encephalitis
- viral invasion of the CNS, you can see inclusion bodies, the virus can be cultured
post infectious encephalitis is
aka ADEM
- virus cannot be detected or recovered, perivascular inflammation and demyelimation are prominent, is an immune mediated disease
sporadic viral ENcephalitis is often due to
HSV1 (often has temporal lobe involvement)
Flaccid paralysis, a polio-like presentation, that evolves into
encephalitis strongly suggest the possibility of
west nile infection
T/F electroencephalogrphy is often abnormal in acute encephalitis
T
are CSF examinations diagnostic
no; but they confirm the presence of inflammatory dx of CNS
empiric tx for viral encephalitis
- HSV1: acyclovir asap
west nile virus encephalitis involved which part of the brain
basal ganglia and thalami
Does pure encephalitis have symptoms like photophobia and nuchal rigidity
no; but it does have seizures
For encephalitis, grouped vesciles ina dermatomal patterns may suggest
VZV
Which do you use to measure demyelination, MRI or CT
MRI
