CNS Exam Flashcards
(55 cards)
Enteric GNRs?
Klebsiella & E.Coli
major agents of bacterial meningitis?
Strep Agalactiae Klebsiella Listeria E Coli Strep Pneumo Neisseria Hib
Most common cause focal encephalitis?
HSV-1
Most common cause diffuse encephalitis?
arbovirus
Most common cause viral meningitis <2yo?
HHV6,7
Most common cause viral meningitis >2yo?
non polio enterovirus
summer/fall seasonality?
arbovirus enterovirus listeria naelgeria fowleri echo/coxsackie
Winter/spring seasonality
LCMV
hib
neisseria
Strep pneumo
other causes focal encephalitis?
polio
rabies
CMV
Encapsulated agents?
E.Coli Klebsiella Strep Pneumo Strep Agalactiae Hib Neisseria Cryptococcus
Extracellular agents req Humoral immunity?
E. COli Klebsiella Strep Pneumo Strep Agalactiae Hib Neisseria
Facultative/obligate intracellular req CMI?
Listeria Toxoplasma Cryptococcus CMV Mycobacterium Leprae JC & PML
Nasopharyngeal carriage + humans only host?
Strep Pneumo
Hib
Neisseria
Strep Agalactiae
nares carraige?
Staph aureus
colon carriage? & can migrate to vagina?
Strep agalactiae
E coli
Klebsiella
(listeria)
animals/humans as reservior?
E coli Klebsiella listeria strep agalactiae M. leprae
viral agents w/zoonosis?
rabies
Arbovirus
LCMV
viral agents w/humans only reservior?
enterovirus measles herpes HIV JC & BK mumps
Zoonosis transmissino
arbovirus rabies LCMV listeria toxoplasmosis cryptococcus botulism
eating tainted food?
Toxo, Taenia
Fecal oral spread?
Taenia solium (NCC) toxoplasmosis enterovirus listeria LCMVS
Vertical transmission?
strep agalactiae (less common) listeria non polio entero LCMV toxoplasma rubella CMV HSV
during parturition
strep agalactiae (more common) listeria E coli Klebsiella herpes/CMV (less common)
close contact outbreaks?
hib
neisseria
non polio enterovirus
taenia solium