Bacteremia

Question 1

Gram positive rods in blood cultures differential diagnosis

Answer 1

corynebacterium species (diptheroid)
clostridium species
nocardia species or anerobic actinomyces species
listeria species

Question 2

listeria monocytogenes is a

Answer 2

gram positive rod that is found in soil and decaying vegetables and often is a low level contaminant of food (fruit, unpasteurized milk, soft cheeses)

Question 3

people who ingest large amounts of listeria are at risk for

Answer 3

self limited <48hrs febrile gastroenteritis and those with advanced age or underlying immunosuppression can also develop invasive disease (bacteremia, sepsis, pneumonia and meningitis)

Question 4

listeriosis is confirmed by

Answer 4

blood CSF and cultures

Question 5

do we treat listeriosis gastroenteritis?

Answer 5

No because self limiting.

Question 6

cefazolin better for MSSA than vancomycin because

Answer 6

it’s more bactericidal.