How much effect does the vitamin K content of green leafy vegetables have on prothrombin time/international normalized ratio (INR) results? —GEORGE KRONER, PA-C, Cary, N.C. Reducing the amount of ...

The one-stage method was carried out on several hundred subjects to find the limits of variation in nonhypoprothrombinemic states. As representative samples, the results on 12 normal subjects studied ...

Has anyone had practice/experience with prescribing sliding-scale orders of warfarin, based on prothrombin time (PT) and international normalized ratio (INR)? However, issues regarding how to bill, ...

Alere has issued a voluntary correction to users of the Alere INRatio and INRatio 2 PT/INR Monitor system of certain medical conditions that should not be tested with the system (INRatio Monitor ...