A mechanical prosthetic valve client is receiving oral anticoagulant therapy. The nurse is monitoring the diagnostic labs and finds international normalized ratio (INR) of 3.3 . Which course of action should the nurse take?
A) Notify the physician.
B) Hold the next dose of anticoagulant.
C) Anticipate the injection of vitamin K.
D) Continue anticoagulant therapy.
D
Feedback:
The American College of Chest Physicians recommends an INR of 2.5 to 3.5 in clients with mechanical prosthetic valves. Because the client's INR is reported at 3.3, this is within the recommended range. The nurse may choose to notify the physician but not necessary. Vitamin K would reverse the effects of the anticoagulant and could place the client at risk for emboli. Holding the next dose of the anticoagulant would lower the INR values but could place the client at risk for emboli.
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