<prompt> 60-year-old male known case of sarcoidosis is referred to cardiology unit of the teiary health care centre from the respiratory clinic. Which of the following finding is involved in cardiac sarcoidosis ?First-degree heablockDilated cardiomyopathyEcho features suggestive ofARVCAll of theabove  <response>: Cardiac Sarcoidosis : Diffuse granulomatous involvement- Ejection fraction 10. Patchy cardiac involvement - Arrhythmias Atrioventricular AV node is infiltrated- Hea block Ventricular tachycardia- Sudden death Dilatedhyperophic cardiomyopathy Echo features suggestive of Arrhythmogenic right ventricular cardiomyopathy 