A 32-year-old male is a known hypertensive and is being planned for cholecystectomy. Which of the following anesthetic agents is contraindicated in this person?
Propofol
Ketamine
Midazolam
Etomidate
Ketamine increases all pressures (blood pressure, intracranial tension, intraocular pressure) in the body. It is therefore intravenous anesthetic of choice for shock and should be avoided in hypertensive patients (increases blood pressure). Further, it is contraindicated in glaucoma (increases IOP) and head injuries (increases ICT).