TM, a 57-year-old man, has thrombophlebitis in the right lower
leg. IV heparin, 5000 units by bolus, was given. Following the IV bolus, heparin 5000 units given subQ q6h was prescribed. Other therapeutic means to decrease pain and alleviate swelling and redness were also prescribed. An aPTT test was ordered.
After 5 days of heparin therapy, TM was prescribed warfarin (Coumadin) 5 mg PO daily. An INR test was ordered.
-Why was an aPTT and INR ordered? How would you determine whether TM is within the desired range? Explain your answer.
-What patient teaching interventions should the nurse include? List at least three interventions