Assertion: rheumatic fever's symptom | /r/HasProperty | emotional instability
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text: Symptoms of rheumatic fever include fever, joint pain, migratory arthritis -- involving primarily knees, elbows, ankles, and wrists, joint swelling; redness or warmth, abdominal pain, skin rash (erythema marginatum), skin nodules, sydenham's chorea -- emotional instability, muscular weakness and rapid, uncoordinated jerky movements affecting primarily the face, feet and hands, epistaxis (nosebleeds), cardiac (heart) involvement which may be asymptomatic or may result in shortness of breath, and chest pain.