CNS Infections Flashcards
What is meningism
Symptoms such as stiff neck, photophobia, rash and headache typically associated with meningitis
What Infective organisms are common for neonates
Group B Beta Haemolytic
E Coli
Listeria
Where is listeria found and who does it commonly target
Found in cheese
Targets Neonates, Elderly and immunocompromised
What is Encephalitis
Infected cerebral cortex w/HSV-1
What is meningoencephalitis
Infected cerebral cortex with infected meninges
How are CNS infections Investigated
CSF Analysis (Cell count, Gram stain, Protein, Glucose)
Blood Culture and PCR
Throat swab
What colour is bacterial CSF
Yellow
Raised protein
Raised WCC
What colour is viral CSF
Clear
Raised protein
Raised lymphocytes
What colour is TB and Fungi CSF
Yellow fibrous
Raised Protein
Raised lymphocytes
A patient with N Meningitidis presents with what haemotological disorder
DIC sepsis
-Purpuric rash
Diagnosis of Gonococcal Meningitis
Name an Optochin sensitive organism
S Pneumonia
Name an Optochin resistant Organism
S Viridans
What are the general treatments for CNS infections
Ceftriaxone/Ceotaxime
w/ Steroids
Why is H Influenzae known and fastidious
It is a gram negative bacteria which needs Factor 5 and 10 to grow
What should be given for suspected listeria
IV Amoxicillin
