system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following anaesthetic agents is contraindicated in patients with hypertension ?
assistant
The correct answer is  Ketamine increases BP, HR & myocardial O2 demand, therefore it is contraindicated in IHD, hypertensive heart disease and aortic aneurysm.