This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
Anesthetic agent causing bradycardia are all except : 
Select and explain. 
A. Ketamine, B. Bupivicail.ne, C. Procaine, D. Prolicaine
A: Ketamine
Answer: A: Ketamine 
Explanation: Ketamine