Prothrombin, a liver-produced protein, is amongst the clotting factors crucial for blood clot formation. When injuries induce bleeding, these clotting factors collaborate to facilitate clotting. The ...

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 ...

A concerned daughter brings her father to a hospital as her father noticed blood in his stools. He also had large bleeding patches on the back of the chest and thighs. She recalls that her father is ...

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, ...