<prompt> Which of the following anesthetic agent is contraindicated in a patient with raised intracranial pressure:EtomidateThiopentonePropofolKetamine  <response>: Ans. d KetamineRef: KDT 6th ed. 376 Please refer to above explanation. Ketamine causes increase in all pressure i.e. intracranial, intraocular, intragastric and intravascular pressure. Therefore, it is not used in raised ICTIOT h ypertension as it may increase the pressure to morbid levels. Anesthetic agents of choice in head injuryincreased ICP are: Thiopentone cerebro protective Propofol Etomidate protection against circulatory depression Isoflurane 