Jones criteria for Rheumatic Fever (mnemonics included)

Major criteria

Joints : polyarthritis
O : heart-shaped O due to carditis
Nodules : subcutaneous nodules
Erythema marginatum
Sydenham's chorea (St. Vitus' dance)

OR

C : Carditis
A : Arthritis, poly
N : Nodules, subcutaneous
C : Chorea, Sydenham's
ER : ERythema Marginatum

Minor Criteria

- Fever
- Arthralgia (joint pain without swelling)
- Laboratory abnormalities:

increased Erythrocyte sedimentation rate,

increased C reactive protein,

leukocytosis

- prolonged PR interval
- elevated or rising Antistreptolysin O titre, or DNAase (evidence of Group A Strep infection)
- previous rheumatic fever or inactive heart disease