Calculate International Normalized Ratio (INR)
sec
sec
Typically ranges from 0.9 to 1.4 (check reagent package)
Calculated INR
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📐 INR Formula Reference
INR = (Patient PT / Control PT)ISI
Normal Range: 0.9 - 1.1
Therapeutic (Warfarin): 2.0 - 3.0
High-risk conditions: 2.5 - 3.5
