This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'A patient is in ventricular fibrillation with hypotension, unresponsivenes, peripheral pulses are not felt. What would be the initial management of this patient? \nSelect and explain. \nA. Lignocaine push, B. Amiodarone push, C. Atropine push, D. 200 Joule Defibrillation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Defibrillation. Connect the AED/defibrillator and check for a shockable rhythm. If a shockable rhythm is present, continue CPR while the defibrillator is charging. Deliver one defibrillation shock to the patient (monophasic, 200 J for an adult, 2 J/kg for a child; or equivalent biphasic energy). Ref Harrison 20th edition pg 1421', 'role': 'assistant'}]