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ramachandra-barik
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Acute Rheumatic Fever Essential criteria :Catch me or catch mine
Group A β-hemolytic streptococci
Presence of Bacteria in throat culture
A positive throat culture for group A β-hemolytic streptococci (Class I; Level of Evidence B).38A positive throat culture for group A β-hemolytic streptococci (Class I; Level of Evidence B)
Presence of Carbohydrate antigen in throat
A positive rapid group A streptococcal carbohydrate antigen test in a child whose clinical presentation suggests a high pretest probability of streptococcal pharyngitis (Class I; Level of Evidence B)
Presence of antibody in the serum
Increased or rising anti-streptolysin O titer or other streptococcal antibodies (anti-DNASE B) (Class I; Level of Evidence B). A rise in titer is better evidence than a single titer result