A patient was discharged from the hospital on warfarin sodium (Coumadin) and is now in the perinatal clinic for follow-up. Which of the following would best indicate to the nurse that goals for discharge teaching have been met?
A.
Chooses aspirin for pain relief
B.
Eats large salads three times a week
C.
Patient INR of 2.5
D.
Patient aPTT of 2 times normal
ANS: C
Warfarin therapy is monitored with the PT and INR, and in many places, the INR has replaced the PT. A therapeutic INR is 2-3.5. This patient's INR is therapeutic. Aspirin can potentiate the risk of bleeding when taken with warfarin. Green leafy vegetables contain vitamin K, which can counteract warfarin. The patient should eat a consistent amount of foods containing vitamin K and not binge occasionally. The aPTT is used to monitor heparin therapy.
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