This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Sudden death in a patient with an acute myocardial
infarction is most commonly due to 
Select and explain. 
A. Aortic dissection, B. Atrial fibrillation, C. Cardiac tamponade, D. Ventricular fibrillation
D: Ventricular fibrillation
Answer: D: Ventricular fibrillation 
Explanation: None