Case Presentation: A 17 y.o. female with systemic lupus erythematosus (SLE) presented with several weeks of worsening migratory polyarthralgia, as well as sporadic fevers, night sweats, and chills. Prednisone was begun 3 weeks prior for a presumed SLE flare, given elevated anti double-stranded DNA (anti-dsDNA) and erythrocyte sedimentation rate (ESR) and hematuria, but provided no [...]

Case Presentation: A previously healthy 13-year-old female presented to a pediatric emergency department with 5 days of abdominal pain, emesis, headache, arthralgia, and fever. Vital signs included temperature of 100.2 F, heart rate of 122 beats/minute, normal blood pressure for age, and oxygen saturation of 99% on room air. She was ill appearing with bilateral [...]