A 60-year-old man presents with haematemesis and melena. He is pale and sweaty. Blood pressure is 88/55 mmHg, heart rate 120 beats/min. He takes regular ibuprofen for osteoarthritis. What is the most appropriate immediate management priority?AArrange urgent oesophagogastroduodenoscopy without resuscitationBCommence high-dose proton pump inhibitor infusion onlyCResuscitate with intravenous crystalloid and blood products while arranging urgent endoscopyDGive oral omeprazole 20 mg and discharge if symptoms settleEInsert a nasogastric tube for diagnostic lavage onlyCheck my answer