A patient in cardiac arrest due to acute myocardial infarction (AMI) is being prepared for transport. Despite advanced cardiac life support (ACLS) interventions, the patient remains in cardiogenic shock. Which of the following interventions is most effective to improve myocardial perfusion and decrease myocardial workload during transport?
Administer a dobutamine infusion
Initiate intravenous nitroglycerin
Perform synchronized cardioversion
Administer a norepinephrine infusion