A 32 year old male is a known hypeensive and is being planned for cholecystectomy. Which of the following anaesthetic agents is contraindicated in this person?

Essentials of medical pharmacology, seventh edition, page no=384 Answer is option2, ketamine Ketamine is dangerous for hypeensives, in ischaemic hea disease(increases cardiac output), in congestive hea failure and in those with raised intracranial pressure(ketamine increases cerebral blood flow and oxygen consumption, but is good for hypovoleimic patients.