MABL Calculation Paediatric — FRCA Final MCQ
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Correct answer: C — 213 mL
MABL = EBV × (Starting Hb - Min Hb)/Starting Hb = 640 × (120-80)/120 = 640 × 0.333 = 213 mL. ~1/3 EBV. Transfuse when approaching MABL. pRBC volume: 10-15 mL/kg.
Reference: APAGBI – 2023 – Perioperative fluid and transfusion in children