A 68-year-old man with stable ischaemic heart disease and no active bleeding has Hb 68 g/L from chronic gastrointestinal blood loss. He is haemodynamically stable. What is the most appropriate transfusion threshold according to current evidence?ATransfuse red blood cells when Hb is <100 g/LBTransfuse only if Hb is <50 g/LCTransfuse when Hb is <70 g/L or if he becomes symptomaticDAvoid transfusion regardless of Hb levelETransfuse to a target Hb of 110-120 g/L as standardCheck my answer