Meningitis Flashcards
Most common agent of meningitis in neonate
GBS, E coli
Most common agent of meningitis in 1month-2years old
Strep pneumo
Most common agent of meningitis in 2–50 years
Neisseria meningitidis (second peak: 16–20 years of age) [9]
Streptococcus pneumoniae (most common in adults)
Most common agent of meningitis in > 50 years
Streptococcus pneumoniae (most common)
Most common agent of meningitis in Immunocompromised pts
Listeria monocytogenes
Streptococcus pneumoniae
Haemophilus influenzae type b
Gram-negative bacilli (e.g., Escherichia coli, Salmonella spp.)
Most common agent of meningitis in pts with Basilar skull fracture
Streptococcus pneumoniae
Haemophilus influenzae type b
Group A beta-hemolytic streptococci
Most common agent of meningitis in pts with Penetrating trauma
Staphylococcus aureus
Coagulase-negative staphylococci (e.g., Staphylococcus epidermidis)
Aerobic gram-negative bacilli (including Pseudomonas aeruginosa)
the most common cause of all types of meningitis in all patient groups
Enteroviruses (especially coxsackieviruses and echoviruses)
viral meningitis is a higer risk in what pt groups
Viral: Risk is higher in individuals with cell-mediated immune deficiencies (e.g., in HIV infection). [20]
Herpesviruses: CMV, EBV, VZV, and HSV6
HIV
Adenovirus
JC virus [17]
fungal meningitis is a higer risk in what pt groups
Fungal: Risk is higher in individuals with cell-mediated immune deficiencies (e.g., HIV infection). [21]
Cryptococcus spp.
Candida spp.
Histoplasma capsulatum
Aspergillus spp.