<prompt> Which of the following is not true about etomidate -It is an intravenous anaestheticsIt precipitates coronary insufficiencyIt inhibits coisol synthesisIt causes pain at injection site  <response>: Ans. is b i.e., It precipitates coronary insufficiency o It produces little cardiovascular and respiratory depression -4 Agent of choice for cardiovascular surgeries bypass, aneurysms, valve surgery. Coronary perfusion pressure is maintained when it is used with fentanyl. 