This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Anaesthesia
Drug that does not causes cardiac depression:- 
Select and explain. 
A. Propofol, B. Ketamine, C. Etomidate, D. Thiopentone
C: Etomidate
Answer: C: Etomidate 
Explanation: Drug Action Thiopentone Decreases systemic vascular resistance, |BP,|HR,myocardial depression Propofol Decreases systemic vascular resistance,|BP, |HR, myocardial depression Etomidate CVS stable, adrenal insufficiency Ketamine In the presence of catecholamines it |HR, |BP