modstand, antitrombin- III mangel, C- protein mangel, S- protein mangel, hyperhomocysteinæmia og antifosfolipid- antistoffer (anticardiolipin- antistoffer, lupus - antikoagulant).
(APC-) resistance, antithrombin-III deficiency, protein C deficiency, protein S deficiency, hyperhomocysteinemia, and antiphospholipid antibodies (anticardiolipin antibodies, lupus anticoagulant)