Which of the following is unlikely to cause cardiogenic shock? A. cardiac tamponade B. large myocardial infarction C. intermittent ventricular ectopics D. massive pulmonary embolism E. ventricular fibrillation Which of the following is unlikely to cause cardiogenic shock? A. cardiac tamponade B. large myocardial infarction C. intermittent ventricular ectopics D. massive pulmonary embolism E. ventricular fibrillation.