This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnostic Evaluation of the Esophagus, Subject name: Surgery
[{'content': 'First step to be done in case of variceal bleeding- \nSelect and explain. \nA. Blood transfusion, B. IV Crystal]oides, C. Endoscopy, D. Somatostatin', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., iv crystalloides Initial resuscitation is usually with isotonic crystalloid solutions. A minimum of 6 units of blood are typed and crossmatched for most patients. If PT is prolonged more than 3 seconds, fresh frozen plasma is a component of the resuscitation volume.Endoscopy to determine cause of bleeding - endoscopic sclerotherapy or endoscopoic variceal ligation and injection with cynoacrylate.iv antibiotics.Somatostatin/Octreotide.Balloon tamponade.", 'role': 'assistant'}]