A 58-year-old woman presents with melaena and dizziness after regular non-steroidal anti-inflammatory drug use. She is tachycardic but normotensive. After initial resuscitation, what is the most appropriate next step in management?ADischarge on a proton pump inhibitor and arrange outpatient endoscopyBStart a proton pump inhibitor infusion and arrange urgent inpatient upper endoscopy within 24 hoursCCommence long-term H2-receptor antagonist therapy onlyDDelay endoscopy until a week after starting proton pump inhibitorsEStart corticosteroids to reduce inflammationCheck my answer