Which medication is an oral anticoagulant used in the management of myocardial infarction?

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Multiple Choice

Which medication is an oral anticoagulant used in the management of myocardial infarction?

Warfarin, sold as Coumadin, is the oral anticoagulant used in managing myocardial infarction. It works by inhibiting vitamin K–dependent synthesis of clotting factors, which reduces the blood’s ability to form clots. Because warfarin has a delayed onset and requires monitoring with the INR, it’s used for long-term prevention or in specific post-MI situations (such as LV thrombus or certain rhythm conditions) rather than for immediate therapy. In contrast, a subcutaneous LMWH like enoxaparin is used for acute anticoagulation, a medication like clopidogrel is an antiplatelet, and a beta-blocker like atenolol is not an anticoagulant.

Warfarin, sold as Coumadin, is the oral anticoagulant used in managing myocardial infarction. It works by inhibiting vitamin K–dependent synthesis of clotting factors, which reduces the blood’s ability to form clots. Because warfarin has a delayed onset and requires monitoring with the INR, it’s used for long-term prevention or in specific post-MI situations (such as LV thrombus or certain rhythm conditions) rather than for immediate therapy. In contrast, a subcutaneous LMWH like enoxaparin is used for acute anticoagulation, a medication like clopidogrel is an antiplatelet, and a beta-blocker like atenolol is not an anticoagulant.

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