This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intravenous Anesthetic Agents, Subject name: Anaesthesia
Ketamine is contraindicated in all except- 
Select and explain. 
A. Congestive hea failure, B. Uncontrolled hypeension, C. Aerial aneurysm, D. Shock.
D: Shock.
Answer: D: Shock. 
Explanation: In contrast to other anesthetics, ketamine increases aerial blood pressure, hea rate and cardiac output. This is because it is sympathomimetic. Accompanying there changes true is increase in pulmonary aery pressure and myocardial work. Thus should be avoided in - Coronary aery disease Uncontrolled hypeension Congestive hea failure Aerial aneurysm On the other hand good in patients with acute shock.