The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Sudden death in a patient with an acute myocardial infarction is most commonly due to   (A) Aortic dissection   (B) Atrial fibrillation   (C) Cardiac tamponade   (D) Ventricular fibrillation
['(D) Ventricular fibrillation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Aortic dissection \n (B) Atrial fibrillation \n (C) Cardiac tamponade \n (D) Ventricular fibrillation <> possible answers', '  Sudden death in a patient with an acute myocardial\ninfarction is most commonly due to <> context@']