Aortic dissection 2

A 55-year-old man presents with sudden onset of severe chest pain radiating to the back. He is diagnosed with an aortic dissection in the emergency department. Which of the following should be the initial management priority to reduce the progression of his condition?

1: Administration of IV fluids to maintain blood pressure
2: Immediate surgery to repair the dissection
3: IV beta-blocker administration to reduce heart rate and blood pressure
4: Analgesics for pain control