• Active internal bleeding • Patients with intracranial pathology; neoplasm or evidence of cerebral herniation • Concurrent heparin therapy ≥ 15 International Units/ kg/ hr • Known bleeding diathesis except for acute coagulopathy related to sepsis • Chronic severe hepatic disease • Platelet count < 30,000 x 106/ l, even if the platelet count is increased after transfusions • Patients at increased risk for bleeding (for example):