thrombophilia and the risk of myocardial infarction 419 large arteries, sometimes with coexistent VTE, and linked the events to hypercoagulability of the patients' plasma. 2,3 Some decades later, research on thrombophilia expanded by investigating families with frequent or unusual events of VTE. Today, due to this field of extensive research, the term thrombophilia is used to describe a hemostasis disorder leading to an elevated risk of developing VTE that can be inherited, acquired, or both. The well-established factors of inherited thrombophilia are as follows: different loss-of-function mutations of the inhibitors of plasma coagulation that cause deficiencies of antithrombin (AT), protein C (PC), and protein