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A member asked:
What happens if your normal prothrombin level is 2-3, what happens when it is 11 or higher?
A doctor has provided 1 answer
You may be confused: INR is a measure of blood clotting and is often kept at about 2 if you are on warfarin. An INR of 11 would be EXTREMELY dangerous and put you at very high risk of bleeding On the other hand, prothrombin levels measure a specific clotting factor and may have normal values (not on anticoagulants) near 11 depending on a particular lab.
Answered 5/5/2015
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