Algorithm for Diagnosis of the Petechial / Purpuric Rash Febrile/Toxic, Palpable: - Meningococcaemia, Disseminated Gonococcal Infection, Endocarditis, Henoch-SchönIein Purpura Febrile/Toxic, Non-palpable - Purpura Fulminans, DIC, Thrombotic Thrombocytopaenic Purpura Afebrile/Non-Toxic, Palpable: - Autoimmune Vasculitis Afebrile/Non-Toxic, Non-palpable: - Idiopathic Thrombocytopaenic Purpura By Dr. Sam Birks @ https://twitter.com/BirksMD #Petechial #Purpuric #Petechiae #Purpura #Rash #Algorithm #Diagnosis #Dermatology #Skin