Juvenile Rheumatoid Arthritis Diagnosis | Medical Algorithm

Are you evaluating a patient for juvenile rheumatoid arthritis?

Yes

Age of illness onset

years

Number of joints showing 2 or more of the following: limited range of motion, pain on motion, joint tenderness and/or heat

Duration of arthritis

weeks

Is there a condition other than JRA that can explain the arthritis?

Yes

Number of joints affected during the first 6 months of illness

Number of weeks with spiking fevers during the first 6 months of illness

During the first 6 months of illness did the patient have?

• a rheumatoid rash?

Yes

• hepatosplenomegaly?

Yes

• pericarditis?

Yes

Juvenile Rheumatoid Arthritis ARA Criteria