A 9-year-old is admitted with suspected rheumatic fever. Which finding is suggestive of polymigratory arthritis?
A. Swelling, inflammation, and effusion of the joints
B. Faint areas of red demarcation over the back and abdomen
C. Irregular movements of the extremities and facial grimacing
D. Painless swelling over the extensor surfaces of the joints
Correct Answer: A. Swelling, inflammation, and effusion of the joints
Option A: Polymigratory arthritis occurs when arthritis symptoms such as swollen, painful joints appear from one joint to another.
Option B: Faint areas of red demarcation over the back and abdomen describes erythema marginatum.
Option C: Irregular movements of the extremities and facial grimacing describes Sydenham’s chorea.
Option D: Swelling, inflammation, and effusion of the joints describe subcutaneous nodules.