By Disease Name > Septic Vasculitis

Septic Vasculitis

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palpable purpura with fever is sepsis until proven otherwise
(but septic vasculitis is usually distal, sparse, asymmetric purpura vs. allergic vasculitis)
Meningococcemia +/- DIC (Waterhouse-Friedrichson)
Gonococcemia not ill-appearing like meningococcemia
Staphylococcemia usually associated with acute bacterial endocarditis
Pseudomonas sepsis ecthyma gangrenosum: easiest of the septic vasculitides to diagnose from lesion itself (i.e. gram stain)
subacute bacterial endocarditis look for Janeway lesion and Osler's nodes