NR 566 Final Study Guide Outline Complete Solution/SCORE A+
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NR566 Week 5 Study Outline Chapter 18: Drugs Affecting the Hematopoietic System • Know the pharmacodynamics, pharmacotherapeutics clinical use, drug interactions and adverse drug reactions for: Anti... coagulants • Pharmacodynamics • Oral anticoagulants such as warfarin (Coumadin) inhibit the hepatic synthesis of several clotting factors, including factor X. • Heparin inhibits the activity of several activated clotting factors by accelerating the activity of antithrombin III. • LMWH enoxaparin (Lovenox) potentiates the activity of antithrombin III and inactivates factors Xa and IIa (thrombin). • Dabigatran (Pradaxa) is a direct thrombin inhibitor. • Thrombin is required for the conversion of fibrinogen to fibrin in the clotting cascade, thus dabigatran's inhibition of thrombin prevents thrombi from forming. Fondaparinux (Arixtra) is a selective inhibitor of antithrombin III and a factor Xa inhibitor. Rivaroxaban (Xarelto) an anticoagulant, is a highly selective factor Xa inhibitor that inhibits thrombin formation and the development of thrombi. [Show More]
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