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: Anaesthesia
[{'content': 'Most sensitive method of non invasive monitoring of cardio-vascular ischemia in perioperative period is ? \nSelect and explain. \nA. NlBP, B. ECG, C. Pulse oximeter, D. ILE', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., TEE", 'role': 'assistant'}]