TOPICS: Heparin induced thrombocytopenia, unfractionated heparin, platelet factor 4, PF4, IgG antibodies, disseminated intravascular coagulation, microthrombi, trauma, obstetric issue, tissue factor, sepsis, E coli, N meningitidis, TNF, IL 1, rattlesnake bite, adenocarcinoma, mucin, acute promyelocytic leukemia, PT, PTT, D-dimer, microangiopathic hemolytic anemia, schistocytes, fibrinolysis, plasminogen, tPA, alpha 2 antiplasmin, liver cirrhosis, prostatectomy, urokinase, FDPs, aminocaproic acid