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www.cardiofiles.net/what-does-low-or-high-inr-reading-mean-which-means-blood...

The higher the INR number, the thinner your blood. The lower the number the thicker your blood ... 1 is normal blood without blood thinners. And although we say "thinner" generally what that means is that it takes longer to clot.

www.drugs.com/cg/elevated-inr.html

A prothrombin time (PT) is a another blood test done to help measure your INR. The higher your PT or INR, the longer your blood takes to clot. An elevated PT or INR means your blood is taking longer to clot than your healthcare provider believes is healthy for you. When your PT or INR is too high, you have an increased risk of bleeding.

www.myvmc.com/investigations/blood-clotting-international-normalised-ratio-inr

We regularly monitor the INR of people using warfarin in order to balance the risk of excessive bleeding (when the INR is too high, meaning that the blood is too thin) against the risk of clotting or thrombosis (when the INR is too low or the blood is too thick).

www.sharecare.com/health/blood-clot-thrombus/what-does-mean-ptinr-high

If your PT/INR test result is too high, it means that your blood is clotting too slowly, and you are at risk of bleeding. Your dose of warfarin is too high. On the other hand, if your PT/INR test result is too low, your dose of warfarin may not be enough to protect your blood from clotting. In that case, your warfarin dose would be increased.

labtestsonline.org/tests/prothrombin-time-and-international-normalized-ratio-ptinr

The prothrombin time (PT) is a test used to help diagnose bleeding or clotting disorders. The international normalized ratio (INR) is a calculation based on results of a PT that is used to monitor treatment with the blood-thinning medication warfarin (Coumadin®).

www.pharmaceutical-journal.com/learning/learning-article/how-to-treat-a...

Most patients who have a high INR but are not bleeding can be managed with simple dosage omission or oral phytomenadione and an increased frequency of INR monitoring. However, in some circumstances, warfarin can cause severe and life- threatening bleeding, regardless of whether the INR is elevated or not.

www.verywellhealth.com/what-do-your-pt-ptt-and-inr-results-mean-3157005

International Normalized Ratio Blood Test-INR The INR is used to make sure the results from a PT test is the same at one lab as it is at another lab. In the 1980s the World Health Organization determined that patients may be at risk because the results of a PT test would vary from one lab to another, based upon the way the test was done.

health.ccm.net/faq/3978-elevated-inr-definition

INR stands for "International Normalized Ratio" which is the ratio of the prothrombin time of the patient, and the prothrombin time reference in the normal individual. The PT is a test to identify the quality of blood clotting, which depends on many factors, the main one being the prothrombin.

www.webmd.com/a-to-z-guides/prothrombin-time

Higher than that means your blood is taking longer than normal to clot and may be a sign of many conditions, including: ... This could be from taking supplements or eating foods high in vitamin K ...

www.mayoclinic.org/tests-procedures/prothrombin-time/about/pac-20384661

The average time range for blood to clot is about 10 to 14 seconds. A number higher than that range means it takes blood longer than usual to clot. A number lower than that range means blood clots more quickly than normal. As INR