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: Pharmacology
[{'content': 'Drug of choice in lignocaine toxicity - \nSelect and explain. \nA. Bretylium, B. Amiodarone, C. Isoprenaline, D. Diazepan', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is `d' i.e., Diazepan o If lignocaine toxicity is suspected, stop the injection immediately. o Ensure adequate oxygenation, whether by face mask or by intubation. o Anticonvulsants such as benzodiazepines and barbiturates are the drug of choice for seizure control. o Succinylcholine is sometimes also used to terminate the neuromuscular effects of seizures. o If CVS symptoms occur (cardiac depression and hypotension), IV fluid and vasopressor agents may be required. o If metabolic acidosis develops, use of sodium bicarbonate can be considered, although, as in other instances of acute metabolic acidosis, this is controversial.", 'role': 'assistant'}]