| • | palpable purpura with fever is sepsis until proven otherwise |
| • | (but septic vasculitis is usually distal, sparse, asymmetric purpura vs. allergic vasculitis) |
| • | Pseudomonas sepsis ecthyma gangrenosum: easiest of the septic vasculitides to diagnose from lesion itself (i.e. gram stain)
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