An older patient receiving warfarin (Coumadin) alternate doses of 2.5 mg/5 mg has an INR of 6.3. What care should the nurse anticipate that this patient will need? Standard Text: Select all that apply
1. Prepare to begin a heparin infusion.
2. Administer vitamin K as prescribed.
3. Administer protamine sulfate as prescribed.
4. Withhold several doses of prescribed warfarin.
5. Administer an additional dose of warfarin as prescribed.
2,4
Rationale: The INR is used to measure the effects of warfarin. Heparin is not administered for an elevated INR.
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