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12 Cards in this Set
- Front
- Back
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2 most pathogenic streps:
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-Strep pneumoniae
-Strep pyogenes |
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6 important types of infections caused by Strep pyogenes:
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STRAPS
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STRAPS:
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-Skin/soft tissue infections
-Toxic shock like syndrome -Rheumatic fever -Acute Glomerulonephritis (GN) -Pharyngitis (strep throat) -Scarlet Fever |
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3 symptoms of Pharyngitis/strep throat:
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-Erythema
-Tonsillar exudate -Fever |
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3 manifestations of StrepA caused skin infections:
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-Impetigo
-Cellulitis -Necrotizing fasciitis |
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Cause of Scarlet Fever and 3 symptoms:
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Cause: Erythrogenic toxin
Symptoms: -Centrifugal, red rash -Slap cheek -Strawberry tongue |
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6 symptoms of Rheumatic Fever:
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-Fever
-Myocarditis -Polyarthritis -Chorea -Subcutaneous nodules -Erythema marginatum rash |
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What does mitral valve disease cuased by Strep A (pyogenes) develop following?
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Pharyngitis - not after a skin infection!
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Why are there heart and joint problems in Rheumatic fever?
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Because host antibodies against the bacteria cross react with joint and heart antigens.
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3 symptoms of acute glomerulonephritis caused by Strep A:
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-Hypertension
-Hematuria -Edema of face/ankles |
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What can Acute GN follow?
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Both skin infections and pharyngitis
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Why does glomerulonephritis develop?
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Cross reactive antigens are deposited in the glomerular basement membrane.
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