Blood Volume Calculator with Proportional Analysis
Using Inverse Relationship: Hgb × BV = Constant
Patient Information
cm
kg
Patient’s actual lab value
Patient’s actual lab value
CORRECT Proportional Calculation Method
Predicted Blood Volume: Men: 2740 mL/m² × BSA, Women: 2370 mL/m² × BSA
Current Blood Volume Formula: Current BV = (Predicted BV × Current Hgb) ÷ Predicted Hgb
Mathematical Basis: Total Hemoglobin Mass = Hgb × BV (constant)
Body Surface Area (BSA)
–
Mosteller formula
Predicted Values (Healthy)
–
Expected Hgb: – g/dL
Expected Hct: – %
Current Values (Actual)
–
Current Hgb: – g/dL
Current Hct: – %
–
Total Hemoglobin Mass
–
Absolute quantity (assumed constant)
Volume Status Analysis
–
–
–
Plasma Volume Change
–
–
