What are typical intraoperative transfusion triggers in CPB?

• A. Transfusion is guided by DO2 and Hb levels; intraop Hb threshold around 6–7 g/dL, individualized
• B. Transfusion based only on Hb level around 12 g/dL
• C. Transfusion never used during CPB
• D. Transfusion is dictated by hematocrit alone; DO2 is irrelevant

Answer: (A)