(BMJ)—A 5-yo boy presented w/ fever, abdominal pain, and rectal bleeding following a 3-wk hx of rash and arthralgia. Exam: pallor; widespread purpuric rash w/ necrotic lesions; swollen extremities. Labs: decreasing Hgb; UA: erythrocytes, proteinuria. CXR: bilateral focal abnormalities. At intubation, blood noted in trachea. What’s the dx?
Granulomatosis w/ polyangiitis
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Kawasaki dz
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Henoch-Schönlein purpura
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Hypersensitivity vasculitis
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Hemorrhagic pancreatitis
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