Infection is not an acquired cause of hypercoagulability. Hypercoagulability represents an exaggerated form that predisposes to thrombosis and blood vessel occlusion. Acquired causes of hypercoagulability includes: ? Cancer ? Immobility ? Lupus anticoagulant ? Nephrotic syndrome ? Estrogens, pregnancy ? Anticardiolipin antibodies ? Congestive hea failure ? Heparin-induced thrombocytopenia ? Paroxysmal nocturnal hemoglobinuria ? Disseminated intravascular coagulation ? Inflammatory disorders, eg, ulcerative colitis ? Myeloproliferative disorder, eg, polycythemia vera, essential thrombocytosis Ref: Harrison Internal Medicine, 18th Edition, Chapter 262