Final answer:
The second drug given in the treatment of VF or pVT is epinephrine
Step-by-step explanation:
The second drug given in the treatment of ventricular fibrillation (VF) or pulseless ventricular tachycardia (pVT) is commonly epinephrine.
Epinephrine, also known as adrenaline, is administered during cardiac arrest to improve blood flow to the heart and brain.
Other medications that may be used in the treatment of VF or pVT include amiodarone, lidocaine, and magnesium sulfate.