This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hea failure, Subject name: Medicine
[{'content': 'Intracardiac defibrillator is useful in management of? \nSelect and explain. \nA. Arrhythmogenic RV dysplasia, B. Brugada syndrome, C. LV aneurysm (Post MI), D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ICD= useful in Pt who have tendency to Tachyarrhythmias In all these conditions there will be tachyarrhythmia. So ICD is useful. Indications for use of ICD: A: ARVD, Aneurysm B: Brugada syndrome C: Cardiomyopathy Long QT syndrome/Romano ward syndrome', 'role': 'assistant'}]