A 68-year-old male is found unresponsive after complaining of chest pain. ACLS is initiated. After 200 chest compressions and one shock at 120 J, his cardiac rhythm is reassessed, showing asystole. Which medication should be administered next?

A 35-year-old female who is 30 weeks pregnant suddenly becomes unresponsive with agonal respirations. Cardiac monitoring shows ventricular fibrillation. Which of the following should be implemented into her ACLS management?

A 62-year-old male is resuscitated from pulseless ventricular tachycardia. His blood pressure is 82/60 mm Hg, and ECG shows a prolonged QT interval. He continues to have runs of torsades de pointes. The most appropriate pharmacotherapy is:

A 2-year-old girl requires CPR after being found unresponsive in a swimming pool. After 5 cycles of compressions and ventilation, her rhythm is still asystole. Which medication dose is most appropriate?

A 72-year-old male with an extensive history of IV drug abuse is found unresponsive and in pulseless electrical activity. After 200 compressions and 1 dose of epinephrine, his oxygen saturation is noted to be 85% with severe respiratory acidosis on ABG. His next most appropriate treatment is: