25- Viral encephalitis Flashcards Preview

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Flashcards in 25- Viral encephalitis Deck (12)
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1
Q

meningitis vs encephalitis

A

meningitis: light symptoms
encephalitis: altered mental status, sensory defects, altered brahavior

2
Q

primary infection in viral encephalitis

A
  • viral invasion of the CNS, you can see inclusion bodies, the virus can be cultured
3
Q

post infectious encephalitis is

A

aka ADEM
- virus cannot be detected or recovered, perivascular inflammation and demyelimation are prominent, is an immune mediated disease

4
Q

sporadic viral ENcephalitis is often due to

A

HSV1 (often has temporal lobe involvement)

5
Q

Flaccid paralysis, a polio-like presentation, that evolves into
encephalitis strongly suggest the possibility of

A

west nile infection

6
Q

T/F electroencephalogrphy is often abnormal in acute encephalitis

A

T

7
Q

are CSF examinations diagnostic

A

no; but they confirm the presence of inflammatory dx of CNS

8
Q

empiric tx for viral encephalitis

A
  • HSV1: acyclovir asap
9
Q

west nile virus encephalitis involved which part of the brain

A

basal ganglia and thalami

10
Q

Does pure encephalitis have symptoms like photophobia and nuchal rigidity

A

no; but it does have seizures

11
Q

For encephalitis, grouped vesciles ina dermatomal patterns may suggest

A

VZV

12
Q

Which do you use to measure demyelination, MRI or CT

A

MRI