A 58-year-old man presents with melaena and dizziness. He is pale, BP 95/60 mmHg, HR 112 beats/min. Hb is 83 g/L. What is the most appropriate initial management step?AArrange urgent outpatient endoscopyBGive IV proton pump inhibitor and arrange elective endoscopy in 1 weekCResuscitate with intravenous crystalloids and blood as required, then arrange urgent endoscopyDStart oral iron and review in 1 weekEDischarge with laxatives and reassuranceCheck my answer