What is International Normalized Ratio?



Answers:
The international normalized ratio (INR) is the benchmark of the extrinsic pathway of coagulation. It is used in the guess of warfarin dosage, liver damage and vitamin K status.
PT (prothrombin time) is a coagulation try-out that evaluates extrinsic coagulation pathway, the value of PT alone can not report us that the patient is regular or not? so INR is a better measure.INR= PT of the lenient / PT of control(a value provided by lab kits)
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