Pathophysiology and Causes Flashcards
What is the most common cause of meningitis?
Viral (Aseptic)
What are the most common viral causes of meningitis?
Coxsackie, Polio (less now) and echovirus.
Less so mumps and herpes
What organisms causes the most serious meningitis?
Bacteria
What are the common bacterial meningitis organisms for what age?
Neonates - 1) Group B strep. 2) E.Coli. 3)Listeria
3m - 3ys - 1) Strep Pneumonae 2)N.meningitidis. 3)Hib
Kids/Teenagers - 1) N.meningitidis. 2) Strep pneumonae
Elderly - 1) S.pneumonae 2) N.meningitidis. 3)Listeriaa
What bacterial infection is the most fatal?
S.pneumonae
Which ones have been reduced due to vaccinations?
H.influenzae
Meningococcal C (n.meningitidis)
which bacterial one is gram positive
S.pneumonae
which bacterial one is gram negative
N.meningitidis
Which one commonly causes septicaemia?
N.meningitidis
Which one is common in close communities?
N.meningitidis
What is the cause of fungal meningitis?
Cryptococcus
PIGEONS
What are some common causes of encephaltis?
Herpes (aciclovir)
MUMPS and MEASLES
Protazoa (Malaria and T.brucei rhodiense or gambiense)
What do prions cause, what are the agents and what are the symptoms?
Transmissable spongiform encephalitis
CJD/Scrapie
Rapid dementia
What is the CSF profile for each?
What is the difference between a meningoccoccal and pneumococcal meningitis?
Meningococcal - N.meningitidis
Pneumococcal - S.pneumonae