session 4 notes: meningitis, sepsis, Neisseria Meningitidis

Question 1

what is meningitis

Answer 1

inflammation of the meningeal lining of the brain and spine.

Question 2

causes of meningitis

Answer 2

bacteria: Neisseria meningitidis ,Streptococcus pneumoniae ,Haemophilus influenzae
viruses: Enteroviruses: Echoviruses,Coxsackie viruses A and B poliovirus, Herpes viruses:Herpes simplex virus 1 and 2
fungi: Cryptococcus neoformans

Question 3

how can you interpret the CSF to make a diagnosis on what has caused the meningitis

Answer 3

bacterial: CSF cloudy, increased wbc, mostly neutrophils
viral: CSF clear, increased wbc , mostly lymphocytes.