<Ul> <Li> Fever of 38.2--38.9 ° C (100.8--102.0 ° F) </Li> <Li> Arthralgia: Joint pain without swelling (Cannot be included if polyarthritis is present as a major symptom) </Li> <Li> Raised erythrocyte sedimentation rate or C reactive protein </Li> <Li> Leukocytosis </Li> <Li> ECG showing features of heart block, such as a prolonged PR interval (Cannot be included if carditis is present as a major symptom) </Li> <Li> Previous episode of rheumatic fever or inactive heart disease </Li> </Ul> <Li> Fever of 38.2--38.9 ° C (100.8--102.0 ° F) </Li> <Li> Arthralgia: Joint pain without swelling (Cannot be included if polyarthritis is present as a major symptom) </Li> <Li> Raised erythrocyte sedimentation rate or C reactive protein </Li>

Where is rheumatic fever most likely to be found