Flashcards in CNS infections Deck (22):
what can untreated infection in the CNS lead to?
brain herniation-->> death
spinal cord compression-->>paralysis
infection of the parenchyma
neutrophils on subarachnoid space is typical of?
common cause of viral meningits?
enterovirus e.g ECHO virus
how to diagnose viral meningitis?
viral stool culture
what can cause viral encephalitis
herpes simplex- diagnose this fast and give high dose acciclovir
varicella zoster- history of shingles..give high does aciclovir
occupation related- rabies
clinical features of encephalitis?
usually insidious onset (sometimes sudden)
speech and memory symptoms
what invetsogations would you do for encephalitis?
common cause of bacterial meningitis in the eldderly?
most common of cause bacterial meningitis in neonates?
listeria, group B strep, E.coli
common cause of bacterial meningitis in children
common cause of bacterial meningitis in people ages 10-21?
,most common cause of bacterial meningitis in those 21>
pneumococcal > meningococcal
what bug causes meningococcal meningitis?
normally found in the throat of healthy carriers
symptoms are due to endotoxin
where is strep.peumoniae usually found?
people most likely to get this are diabetics
people in hospital
how do you normally treat bacterial meningitis?
how do you treat meningitis caused by listeria?
what are the clinical signs of bacterial meningitis?
alteration of consciousness
what would these findings from a lumbar puncture indicate/
always treat with antibiotics before lumbar puncture
signs of aseptic meningitis?
not as high protein
as well as antibiotic what should also be given to all patients with bacterial meningitis?