This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
Bupivacaine poisoning is treated with: 
Select and explain. 
A. Esmolol, B. Sotalol, C. Lignocaine, D. 5% dextrose
A: Esmolol
Answer: A: Esmolol 
Explanation: Bupivacaine causes more toxicity than other drugs in its therapeutic dosage. Hence in poisoning cardiovascular side effect would be profound and is treated with a cardio selective beta blocker that is esmolol. Sotalol is no a cardio selective beta blocker. Lignocaine is a local anesthetic that can fuher aggravate cardio toxicity. From padmaja 4th edition Page no 202