Ganzoni Equation for Iron Deficiency Anemia
Ganzoni Iron Deficit Calculator
kg
g/dL
g/dL
Iron Deficit:
–
mg
Awaiting input
Enter weight, actual Hb, and target Hb (target > actual).
Assesses total body iron deficit for iron replacement therapy.
When to Use
Patients with iron deficiency anemia in whom iron supplementation is being considered.
Formula
Total iron deficit, mg = weight, kg × (target hemoglobin, g/dL – actual hemoglobin, g/dL) × 2.4 + iron stores, mg
Advice
Route and timing of iron dosing is dependent on multiple factors, including iron deficit, current hemoglobin level, formulation of supplement, and others.