Section 2: Pharmacology (Question: 12 of 20)

A patient is in cardiac arrest. Ventricular fibrillation has been refractory to a second shock. Which drug should be administered first?

Choose the correct option and select submit.

A. Atropine 1 mg IV/IO
B. Epinephrine 1 mg IV/IO
C. Lidocaine 1 mg/kg IV/IO
D. Sodium bicarbonate 50 mEq IV/IO

Question

Section 2: Pharmacology (Question: 12 of 20)

A patient is in cardiac arrest. Ventricular fibrillation has been refractory to a second shock. Which drug should be administered first?

Choose the correct option and select submit.

A. Atropine 1 mg IV/IO
B. Epinephrine 1 mg IV/IO
C. Lidocaine 1 mg/kg IV/IO
D. Sodium bicarbonate 50 mEq IV/IO

Accepted Answer

**Answer: B**

Epinephrine 1 mg IV/IO is typically administered first in cases of cardiac arrest with ventricular fibrillation that is refractory to defibrillation. It helps increase coronary and cerebral perfusion pressure.