A client with life-threatening beta-blocker poisoning remains bradycardic and hypotensive despite initial vasopressor therapy. Which prescribed therapy should the nurse anticipate early?

• 1 Begin long-acting subcutaneous insulin without dextrose or laboratory monitoring.
• 2 Begin high-dose IV regular insulin with dextrose and frequent glucose and potassium monitoring. ✓ Correct answer
• 3 Begin an IV calcium-channel blocker infusion to restore the heart rate and blood pressure.
• 4 Stop vasopressors and other hemodynamic support before starting antidotal therapy.

For study reference only. Always follow current clinical guidelines and your institution’s protocols.