A client who had a thromboembolic event is taking sodium warfarin (Coumadin).The nurse evaluates that the client is having the expected effect of drug therapy if the international normalized ratio laboratory result is within which of the following ranges?

Question

Quizplus · Accepted Answer

The therapeutic range for sodium warfarin (Coumadin) as measured by the international normalized ratio (INR) is 2 to 3. This range ensures that the client's blood is thin enough to prevent thromboembolic events, but not so thin that it increases the risk of bleeding. Ranges of 4 to 5 and 3 to 4 are too high and increase the risk of bleeding, while a range of 1 to 2 is too low and doesn't provide adequate protection against thromboembolic events.

A Client Who Had a Thromboembolic Event Is Taking Sodium