The Correct Answer is B!


There are a number of oral anticoagulant agents now used for the prevention of thromboembolic events in patients with atrial fibrillation.

Which one is a direct thrombin inhibitor?

A. Edoxaban
B. Dabigatran
C. Apixiban
D. Rivoraxaban


The correct answer is dabigatran. The new oral anticoagulants have been approved for the prevention of embolic events in selected patients with atrial fibrillation. They have a more selective mechanism of action than warfarin. Dabigatran is a direct thrombin inhibitor and both apixiban and rivoraxaban are factor Xa inhibitors.


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