Case Presentation: A previously healthy 20-year-old presented with 5 days of fevers and diffuse abdominal pain. Her exam was notable for tachycardia to 118/min, fever of 103F with marked abdominal tenderness. Her laboratory results were significant for leukopenia (3.7 K/uL), anemia (9.2 g/dL), elevated D-dimer to 2.98 ug/ml, CRP of 56.33 mg/L, and troponin of [...]