This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sarcoidosis, Subject name: Medicine
What is the most common cause of sudden death in sarcoidosis? 
Select and explain. 
A. Pneumonia, B. Corpulmonale, C. Arrythmias, D. Liver failure
C: Arrythmias
Answer: C: Arrythmias 
Explanation: Cardiac involvement occurs initially with inflammation and granuloma formation followed by scarring. The initial inflammation can lead to triggered ventricular arrhythmias with subsequent scarring resulting in the substrate for reentrant monomorphic ventricular tachycardia. Note Overall most common cause of death in sarcoidosis -- Respiratory Failure