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13 Cards in this Set
- Front
- Back
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***What are the 4 major diseases/conditions caused by Streptococcus Pyogenes? |
Strep throat
Skin infections
ARF (acute rheumatic fever)
PSGN (Post streptococcal glomerulonephritis) |
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***What disease is caused by what bacteria in patients with abnormal heart valves?
What about native and prosthetic valves? |
Abnormal valves: Bacterial Endocarditis caused by Enterococci (gram +, resistant to antibiotics)
Native + Prosthetic valves: Sub-acute bacterial endocarditis caused by S. Viridans |
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**(LO) What are the 2 major diseases caused by Streptococcus Pneumoniae?
What is its virulence factor |
Leading cause of Pneumonia
Leading cause of Meningitis
Capsule is its virulence factor |
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**(LO) What are the major diseases caused by GBS (Strep Agalactiae) in neonates? |
Sepsis, Pneumonia and Meningitis |
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**(LO) Gram + cocci Catalase - B-hemolytic |
Streptococci |
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*Which strep are in each group?
Group A:
Group B: |
Group A: Strep. Pyogenes
Group B: Strep. Agalactiae |
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*Describe the appropriate hemolysis?
Alpha Beta Gamma |
Alpha = incomplete
Beta = complete (surrounded by clear zone)
Gamma = none |
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*What type of hemolysis in S. Pneumoniae? |
Alpha
(Partial/Incomplete) |
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*What type of hemolysis in S. Pyogenes? |
Beta
(Complete) |
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* M-protein beta-hemolytic |
S. Pyogenes |
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*What are the Strep pyrogenic exotoxins that act as superantigens? |
SpeA, SpeB, SpeC |
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**What bacteria is #1 cause of Pharyngitis? |
S. Pyogenes |
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** Sensitive to bacitracin Antibody to Streptolysin-O (ASO test) |
Streptococcus |
