What is the therapeutic INR value for warfarin therapy?

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Multiple Choice

What is the therapeutic INR value for warfarin therapy?

Explanation:
Warfarin's effect is tailored to a narrow therapeutic window measured by the International Normalized Ratio (INR). For most patients needing anticoagulation, the target INR is about 2.0 to 3.0. An INR of 2.8 sits squarely within this range, indicating effective anticoagulation without excessive bleeding risk. An INR of 1.0 would indicate little to no anticoagulation, while 3.6 or 4.5 exceeds the common target range and increases bleeding risk, unless a very specific valve type or condition requires a higher target. Hence, 2.8 is the appropriate therapeutic value in typical warfarin management.

Warfarin's effect is tailored to a narrow therapeutic window measured by the International Normalized Ratio (INR). For most patients needing anticoagulation, the target INR is about 2.0 to 3.0. An INR of 2.8 sits squarely within this range, indicating effective anticoagulation without excessive bleeding risk. An INR of 1.0 would indicate little to no anticoagulation, while 3.6 or 4.5 exceeds the common target range and increases bleeding risk, unless a very specific valve type or condition requires a higher target. Hence, 2.8 is the appropriate therapeutic value in typical warfarin management.

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