<prompt> Anesthetic agent causing bradycardia is?GallamineVecuroniumKetamineMorphine  <response>: Ans. is d i.e., Morphine Bradycardia is caused by - Succinylcholine, propofol, opioids anaesthetics Morphine, fentanyl and its cogneres. Tachycardia is caused by - Gallamine, Pancuronium, Rocuronium, Ketamine, Thiopentone, Methohexitone. 