A purpura characterized by blood spots, bruising and discoloration of the skin resulting from coagulation in small blood vessels within the skin and rapidly leading to skin necrosis and disseminated intravascular coagulation. It is often fatal. [ http://purl.obolibrary.org/obo/ECO_0007636 url:https://www.ncbi.nlm.nih.gov/pubmed/26955583 http://purl.obolibrary.org/obo/ECO_0007638 url:https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=en&Expert=49566 http://purl.obolibrary.org/obo/ECO_0007645 url:https://en.wikipedia.org/wiki/Purpura_fulminans ]