This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Arrhythmias, Subject name: Medicine
[{'content': 'All of the following must be done for management of patient with the following ECG, except? \nSelect and explain. \nA. CPR for 60-90 seconds, B. Epinephrine, C. Vasopressin, D. Soda bicarbonate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Soda bicarbonate.* The rhythm strip shows a chaotic activity of ventricular fibrillation.* CPR for 60-90 seconds should be given with chest compressions times per minute if delay > 5 minutes on reaching the patient.* Epinephrine is given to improve coronary perfusion and reduce hypoxia which is responsible for development of ventricular fibrillation.* Vasopressin improves cerebral perfusion.* Soda bicarbonate is mentioned in current edition as not indicated for routine usage.', 'role': 'assistant'}]