Flashcards in CNS Infections Deck (17):
3 most common CNS infections?
which age group get meningitis most?
paeds, <1 yr mostly
3 main causes of meningitis
3 main bacterial causes of meningitis? why?
-good at immune evasion due to capsules
2 most common viral causes of meningitis?
clinical features of paeds meningitis?
altered mental state
which types of CSF become cloudy?
1. Bacterial (1000s Neutrophils, gram stain +ve))
2. TB (ZN +ve)
CSF analyse needs to occur when?
ASAP or else cell lyse and get messed up reading
Normal CSF pressure?
Normal CSF WBC?
<5 x 10^6/L
Normal CSF glucose?
Differentiate bacterial and viral meningitis easily?
Nope. lots of overlap on CSF values, can't distinguish
Rx for meningitis?
most common complication of bacterial meningitis?
key different symptoms between meningitis and encephalitis?
meningitis: normal consciousness
encephalitis: altered conscious state
what's the main cause of encephalitis?
almost always viral: HSV