A 62-year-old man presents with melaena and dizziness. His blood pressure is 90/60 mmHg and pulse 112 beats/min. Hb is 88 g/L. What is the most appropriate initial management step?AUrgent upper GI endoscopy without resuscitationBTransfuse red blood cells to a target Hb of 130 g/L immediatelyCCommence IV proton pump inhibitor and arrange endoscopy after haemodynamic stabilisationDStart oral iron and review in one weekEDischarge for outpatient endoscopy the next dayCheck my answer