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International Normalized Ratio |
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International Normalized Ratio (INR),
a comparative rating of a patient's prothrombin time (PT) ratio, used as a standard for monitoring the effects of warfarin. The INR indicates what the patient's PT ratio would have been if measured by using the primary World Health Organization International Reference reagent. International Normalized Ratio Hematology A method of reporting prothrombin time–PT results for Pts receiving oral anticoagulant therapy; the INR is defined by the formula, PTPatient/PTMNPTISI that uses the
international sensitivity index to adjust PT results from thromboplastin of different sources and facilitates monitoring anticoagulant therapy when using more than one lab and comparing a Pt's PT results with published standards for treatment.
See Anticoagulation, International sensitivity index, Prothrombin time. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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