This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Arrhythmic, Subject name: Pharmacology
A patient develops Condition {Arrowr} intra-oper- atively. DOC is 
Select and explain. 
A. Propanolol, B. Adrenaline, C. Hyoscine, D. Neostigmine
A: Propanolol
Answer: A: Propanolol 
Explanation: Propanolol (Condition shown: Intraoperative tachycardia)