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8 Cards in this Set
- Front
- Back
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major streptococcal diseases
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-S. pyogenes: strep throat, scarlet fever, infectious diseases, rheumatic fever
-s. pneumoniae: pneumonia, bacterial meningitis |
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where does Streptococcus pyogenes infect
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mainly found in the upper respiratory tract of healthy adults
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what are the diseases S. pyogenes can cause
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-S. pharyngitis (strep throat)
-Scarlet fever (bacterial cell surface antigen resembles normal human surface antigen. Autoimmune response) -Invasive infections (necrotizing fasciitis) |
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hemolysis
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breakdown of red blood cells
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what diseases are caused by Group A
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-most common group
-Many asymptomatic carriers -Strep throat -Necrotizing fasciitis -impetigo (common skin infection) -typically s. pyogenes |
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what diseases are cause by Group B
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-common in newborns, life threatening
-s. agalactiae -25% of women are asymptomatic carriers of Group B in vagina -commonly sepsis and meningitis -pregnant women, infants, elderly, adults with other illnesses |
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what are the sequelae to Strep infections
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Scarlet fever, rheumatic fever, infectious diseases
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what diseases does Streptococcus pneumonia commonly cause
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pneumonia and meningitis
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