Podcast
Questions and Answers
What is the most distinctive feature of Group B Streptococcus (Streptococcus agalactiae)?
What is the most distinctive feature of Group B Streptococcus (Streptococcus agalactiae)?
Which test is used to specifically identify Group B Streptococcus?
Which test is used to specifically identify Group B Streptococcus?
What is the major virulence factor of Group B Streptococcus?
What is the major virulence factor of Group B Streptococcus?
Which of the following is the primary mode of transmission for Group B Streptococcus?
Which of the following is the primary mode of transmission for Group B Streptococcus?
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What is the recommended prevention strategy for Group B Streptococcus infection in newborns?
What is the recommended prevention strategy for Group B Streptococcus infection in newborns?
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Which antibiotic regimen is typically used to treat Group B Streptococcus infections in newborns?
Which antibiotic regimen is typically used to treat Group B Streptococcus infections in newborns?
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What is the significance of the purple color in the image?
What is the significance of the purple color in the image?
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What does the 'Hippo doll' in the image represent?
What does the 'Hippo doll' in the image represent?
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What does the 'Camp tent' in the image signify?
What does the 'Camp tent' in the image signify?
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Which of the following is the primary mode of transmission for Group B Streptococcus?
Which of the following is the primary mode of transmission for Group B Streptococcus?
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Which of the following clinical manifestations is Group B Streptococcus most likely to cause in newborns?
Which of the following clinical manifestations is Group B Streptococcus most likely to cause in newborns?
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What is the recommended prevention strategy for Group B Streptococcus infection in newborns?
What is the recommended prevention strategy for Group B Streptococcus infection in newborns?
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Study Notes
Group B Strep (Strep agalactiae)
- Gram positive, catalase negative
- Causes major infections in newborns
Features
- Positive hippurate test, hydrolyzes Na+ hippurate
- Polysaccharide capsule is a virulence factor
- cAMP test positive, has an increasing zone of hemolysis
- Beta-hemolytic
- Bacitracin resistant
Diseases
- Most likely to cause meningitis in neonates
- Most likely to cause sepsis in neonates
- Causes pneumonia
Transmission
- Transmission of group B strep through vaginal canal
- Transmission through GI Tract
Prevention
- Mothers are cultured for Group B strep at 35 weeks
- Penicillin is given to mom intrapartum to prevent Group B Strep
Treatment
- Give baby ampicillin with an aminoglycoside or cephalosporin
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Description
Test your knowledge on the features of Group B Streptococcus (Strep agalactiae) infection, particularly in newborns. Learn about its gram stain, catalase test, hippurate test, capsule structure, cAMP test, and more.
