A 63-year-old man with known peptic ulcer disease presents with large-volume haematemesis and melaena. He is tachycardic and hypotensive. After initial ABCDE resuscitation has started, what pharmacological treatment should be given before endoscopy?AHigh-dose intravenous OmeprazoleBHigh-dose intravenous RanitidineCOral OmeprazoleDIntravenous Tranexamic acid and proton pump inhibitorEIntravenous proton pump inhibitor after endoscopy onlyCheck my answer