International Normalized Ratio. A blood test that measures how long it takes blood to clot, used to monitor patients on warfarin. The target INR range depends on the indication — typically 2.0 to 3.0 for atrial fibrillation and 2.5 to 3.5 for mechanical valves.
International Normalized Ratio. A blood test that measures how long it takes blood to clot, used to monitor patients on warfarin. The target INR range depends on the indication — typically 2.0 to 3.0 for atrial fibrillation and 2.5 to 3.5 for mechanical valves.
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