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med.INR-warfarin-dose-adjust Calculator
Recommends warfarin dose adjustment from current INR, target INR range, and current dose using a proportional dose adjustment algorithm. INR outside the 2.0–3.0 therapeutic range either increases clot risk (below) or bleeding risk (above) — precise dosing is critical.
Inputs
Inr Current
Rate of charge flow (A). I = V/R. Above ~100 mA through the body can be lethal. Fuses protect against overcurrent.
Inr Target
Reference formula or conversion factor shown for context.
Weekly Dose Mg
Rate of charge flow (A). I = V/R. Above ~100 mA through the body can be lethal. Fuses protect against overcurrent.
Inr Range Low
Reference formula or conversion factor shown for context.
Inr Range High
Reference formula or conversion factor shown for context.
Results
recommended weekly dose adjustment
Sample size or count used in the calculation.
new suggested weekly dose (mg)
Sample size or count used in the calculation.
new average daily dose (mg)
The arithmetic mean -- sum divided by count.
INR status
Current state of the system, process, or metric — typically pass/fail, healthy/warning/critical, or a descriptive classification.
if INR >4.5
Sample size or count used in the calculation.
recheck INR
A pass/fail verification against the applicable code, standard, or threshold.