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To determine the effectiveness of the client's warfarin treatment, the nurse monitors the client's prothrombin time (PT) and international normalized ratio (INR).
Warfarin, also known as the names Coumadin and Jantoven, is a blood thinner that is used to both treats and prevents blood clots. Individuals with specific types of irregular heartbeats, blood clots in the legs or lungs, and patients with specific medical device implants such as artificial heart valves may be recommended warfarin medication.
To make sure warfarin is being taken safely and efficiently, it needs to be under constant observation. Getting the right warfarin dosage can be difficult, but it is essential.
You can check it by taking blood from a vein and submitting it to a certified lab for testing, or you can check it by testing blood from a fingerstick with an INR test meter outside of a lab or by using the prothrombin time test, also known as the PT or pro time test. INR test meters can be ordered by doctors for people to use at home, and they can also be used by medical professionals at the point of treatment, as in a hospital.
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