A 63-year-old man presents with haematemesis and melaena. He is pale, clammy and confused. Blood pressure is 85/55 mmHg, pulse 124 bpm. He has a history of alcohol-related liver disease. What is the single most appropriate immediate management step?AArrange an urgent outpatient endoscopyBGive intravenous Proton pump inhibitor and dischargeCStart high-flow oxygen, two large-bore IV cannulae and fluid resuscitationDInsert a Sengstaken–Blakemore tube in the emergency departmentEStart non-selective beta-blocker immediatelyCheck my answer