||A 73-year-old woman, who has been hospitalized for chest pain and placed on a cardiac monitor, develops ventricular fibrillation. She is evaluated immediately and found to be cyanotic, pulseless, and not breathing. Within seconds, a defibrillator is brought to the room, and advanced cardiac life support (ACLS) is begun, including three shocks, intubation and artificial ventilation, and intravenous access is established. She remains in ventricular fibrillation.
Which of the following would be appropriate immediate therapy in this patient?
D Magnesium sulfate