Mico VI Flashcards
What are the two routes of transmission for listeria?
- Listeria in the GI tract to maternal blood
- Perianal area contamination and parturition
What are the two drugs that are used to treat listeriosis?
PCN
TMP/SMX
What type of immunity is important in listeriosis? Why?
Cell mediated d/t intracellular infx
What are the torches bugs?
- Toxoplasma
- other
- Rubella
- CMV
- HIV
- Erythema infectiosum (5th’s disease)
- Syphilis
What are the viruses that can be transmitted via nursing?
HIV
CMV
West nile
What is the virus that can pass to the baby via placenta, nursing, and birth canal?
CMV
What are the bugs that can be transmitted to baby via the birth canal?
- GBS
- Neisseria gonorrhoeae
- Chlamydia
- E. Coli
- Listeria
- HSV
- CMV
- HBV
What are the catalase positive bugs?
- Staph / serratia/shigella
- Pseudomonas / proteus
- Aspergillus
- Candida
- Klebsiella
- Listeria
- E. coli
What is the morphology of HiB?
Gram negative rod
What is the agar used to grow HiB? What is on this?
Chocolate
X and V factors
What are the virulence factors on HiB?
Carb antiphagocytic capsule
What are the reservoir of HiB?
Upper respiratory tract
What are the diseases caused by haemophilus ?
- Meningitis
- OM
- CAP
- Epiglottitis
What are the two bacteria that grow on chocolate agar?
Gonorrhea
HiB
What are the three causes of Neonatal
Meningitis?
Strep agalactiae
E coli (K1)
Listeria
At what age may Haemophilus infect a baby?
6 months
What are the top 3 causes of otitis media?
- strep pneumo
- moraxella catarrhalis
- Haemophilus species
What is the most common cause of external
ear infection?
Pseudomonas
What are the top 3 causes of meningitis after 6
months of age?
S. pneumo, Neisseria and H. flu
List 5 bacteria and one yeast with antiphagocytic
virulence factor?
- Strep pyogenes
- GBS
- Strep pneumo
- Neisseria men
- HiB
- Cryptococcus neoformans
What are the DOCs for Hemophilus?
3rd gen Cephalosporin:
Ceftriaxone
Cefotaxime
What are the second line agents for haemophilus?
Amox
TMP/SMX