Flashcards in deck 11 Deck (31)
What 3 bacteria should we usually think about in the case of purpura fulminans?
Group A strep (S. pyogenes)Staphylococcus aureusNeisseria meningiditis(Also remember he said bacillus cereus had also been identified as a cause!)
If you had all the drugs/interventions you needed for the following case…what would you use? [7 items]-104.5 T, BP 60/0, purpuric rash, 3day vomit/diarrhea, highly elevated liver/kidney enzymes, very low calcium/platelets.
vancomycinrifampinclindamycinIVIGvasopressorsFluid and electrolytesdrotrecogin alpha
In the case where the man had a near death experience twice with the same bacteria, they found his family to have beta-hemolytic streptococcus group G not group A. What did they treat the family with? [3 drugs]
In the case where the man had a near death experience twice with the same bacteria, they found his family to have beta-hemolytic streptococcus group G not group A. Why did he get effected and not everyone else?
He lacked antibodies to SPEA and SPEC
In the case where the man had a near death experience twice with the same bacteria, they found his family to have beta-hemolytic streptococcus group G not group A. Once they found out what the issue was, how did they treat him?
Monthly IVIG for a year.
What type of drugs are used for T cell lymphoma?
What drug is used to treat USA200 CA-MRSA?
What is used in the treatment neutralizing TSST-1?
Gram +, cocci, beta-hemolytic, catalase negative point to what bacteria?
What is the final identification test for streptococci bacteria?
How many serotypes are found in group B strep? What is their serotypes based on?
How many women are colonized vaginally with group B step? group A strep?
T-F-- humans acquire group B streptococci from cows/milk?
What causes bovine mastitis?
Group B strep
What is a major way Group B strep is transmitted? What is the relatively less common mode of transmission?
1. fetus and neonate from women vaginally colonized.2. direct contact with breaks in the skin for TSS
When is group B strep routinely assessed/screened for?
How are pregnant women colonized with group B strep treated?
penicillin to reduce colonization
What are the 3 cell surface virulence factors of group B strep
1. antiphagocytic caps. polysaccharide.2. C5a peptidase3. Surface proteins alpha and beta
How many cases of early onset sepsis with group B strep occur in the US each year?
What is the outcome of fetal/neonate sepsis of group B strep?
True or false- neonates do not show fever often?
What is a very important sign of bacterial infection in neonates?
How many cases of late onset meningitis from group B strep happen in the US/ year?
10,000often seen in neonates greater than 5 days but less than one year
What are the 2 types of vaccines being developed for group B strep.?
1. capsular polysaccharides (type specific)2. C5a peptidase (not type specific)
T-F---group C strep will often cause pharyngitis, but group G will not?
False---both can cause pharyngitis
T-F---group G strep can cause toxic shock syndrome, but group C never does?
False---both can cause
What is the name of group D strep?
T-F---group D strep is beta hemolytic?
Falseit is either non-hemolytic or alpha hemolytic
What is group D strep often associated with?
gastrointestinal malignancy[not known if it is the cause or grows as the result of]