What is the effect of factor VII on prothrombin time (INR)?

Updated: Feb 05, 2020
  • Author: Bishnu Prasad Devkota, MD, MHI, FRCS(Edin), FRCS(Glasg), FACP; Chief Editor: Eric B Staros, MD  more...
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Its shortest half-life of all the clotting factors is reflected in the initial rapid prolongation of prothrombin time (INR) in therapy with vitamin K antagonists.

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