A 58-year-old man with alcohol-related cirrhosis presents with large-volume haematemesis and shock. He has known oesophageal varices. After airway protection and fluid resuscitation, what pharmacologic therapy should be started immediately?AHigh-dose intravenous proton pump inhibitor onlyBOctreotide or other vasoactive agent plus prophylactic antibioticsCTranexamic acid onlyDNo pharmacologic therapy until after endoscopyEOral beta-blocker onlyCheck my answer