system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True about DC shock treatment in AF:
assistant
The correct answer is  Ans. A. Synchronized 50 Joulesa. In Atrial fibrillationb. Initial Monophasic = Synchronize DC shock of 50-100Joulesc. Initial Biphasic = 150J synchronized (upto 200) synchronized.