A client receiving warfarin (Coumadin) therapy has an INR of 5.6. Which medication would the nurse expect the physician to order to reverse the warfarin (Coumadin)?
1. Potassium
2. Vitamin K
3. Desirudin (Iprivask)
4. Protamine sulfate
Correct Answer: 2
Rationale 1: Potassium is incorrect because it does not reverse the effects of heparin.
Rationale 2: Vitamin K is used to reverse the effects of warfarin. Recommended post-treatment INR values range from 2 to 4.5.
Rationale 3: Desirudin (Iprivask) is incorrect because this medication is a newer antithrombin.
Rationale 4: Protamine sulfate is incorrect because it is used to reverse heparin.
Global Rationale: Vitamin K is used to reverse the effects of warfarin. Recommended post-treatment INR values range from 2 to 4.5. Potassium is incorrect because it does not reverse the effects of heparin. Desirudin (Iprivask) is incorrect because this medication is a newer antithrombin. Protamine sulfate is incorrect because it is used to reverse heparin.
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