Jones criteria

Major and Minor Criteria

Low Risk Populations

Major manifestations	Carditis (clinical or subclinical) Arthritis (polyarthritis only) Chorea Erythema marginatum Subcutaneous nodules
Minor manifestations	Polyarthralgia Fever (≥38.5oC) Elevated acute phase reactants (ESR ≥60 mm in the first hour or CRP ≥3.0 mg/dl) Prolonged PR interval on electrocardiography, after accounting for age variability (unless carditis is a major criterion)

-

Major manifestations	Carditis (clinical or subclinical) Arthritis (monoarthritis or polyarthritis, as well as polyarthralgia if other causes have been excluded) Chorea Erythema marginatum Subcutaneous nodules
Minor manifestations	Monoarthralgia Fever (≥38.5oC) Elevated acute phase reactants (ESR ≥30 mm/hour or CRP >3.0 mg/dl) Prolonged PR interval on electrocardiography, after accounting for age variability (unless carditis is a major criterion)

Diagnostic Criteria

• 2 Major Manifestations

OR

• 1 Major and 1 Minor Manifestation

Preceding group A streptococcal diagnosis should be documented

Recurrent Episodes

Additional exposures are not necessary for recurrent infection

Criteria for Presumptive Dx in Recurrent Disease

2 major manifestations 1 major and 2 minor manifestations 3 minor manifestations