Infectious Disease Flashcards
(14 cards)
What produces CSF
Choroid plexus
Where does meningitis occur?
meninges and subarachnoid space
What are 3 aseptic causes of meningitis
Viral
Autoimmune dx
Cancer
Most common cause of meningitis 18-50?
Streptococcus pneumoniae
Most cause of meningitis in people living in crowded areas, barracks?
Neisseria meningitidis
Cause of meningitis over 50 yrs?
Strep pneumo, Neisseria
Eating hot dogs, deli meats, unpasteurized milks, cheeses, smoked fish
Listeria monocytogenes
Post surgical or post trauma
Staph Aureus
Gram negative bacilli
Strep pneumo
Immunocompromised, HIV, alcholism
L. monocytogenes
Where does the infection usually sources from?
Sinusitis
CSF leak
What bone in the nose allows for bacteria to seep through?
Sphenoid sinus
What bone in the ear allows for bacteria to seep through?
extension from parameningeal
What are direct penetrating trauma or surgical infection sources?
Foreign bodies, ventricular catherers
What is the classic triad of mengigitis?
Fever
Neck Stiffness
Headache
