This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': "Brochardt's triad of acute epigastric pain, violent retching and inability to pass a nasogastric tube is seen in patients with- \nSelect and explain. \nA. Achalasia cardia, B. Acute gastric volvulus, C. Jejunogastric intussusception, D. Hiatus hernia", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Acute gastric volvulus Acute gastric volvulus causes severe abdominal pain accompanied by the diagnostic triad k/a Brochardt's triad. Brochardt's triad includes : vomiting followed by retching and then inability to vomit. epigastric distention inability to pass nasogastric tube.", 'role': 'assistant'}]