Encephalitis Flashcards
1
Q
What is encephalitis?
A
Viral infection of brain parenchyma
2
Q
What are 95% cases due to?
And the other 5%?
A
HSV-1
Others - CMV, EBV, HIV, toxoplasmosis (close contact with cats; parasitic infection)
3
Q
RF for encephalitis?
A
Immunocompromised, extremes of age
4
Q
Sx of encephalitis
A
Fever, Headache, encephalopathy, focal neurology
5
Q
For focal neurology, what is the MC place affected?
What Sx would you get the?
A
temporal lobe
Aphasia (difficulty with language/speech)
6
Q
Dx of encephalitis?
A
CSF may show viremia (viruses in blood) - high lymphocytes, consider PCR
MRI head
7
Q
What would MRI head show?
A
Unilateral, temporal encephalitis
8
Q
What would be seen on EEG?
A
Non specific EEG firing of 2Hz periodically
9
Q
Tx for encephalitis?
A
Aciclovir (Good for HSV)
