Unknown Intracardiac defibrillator (ICD) is useful in which of the following ? A Person with Brugada B Person with Arrhythmogenic RV dysplasia C Person after acute MI with CAD D All of the above 💡 Explanation Intracardiac defibrillator (ICD) is useful in which of the following ? ✓ Correct Answer: D. All of the above