Question

A 62‑year‑old man collapses at home. The rhythm is ventricular fibrillation. What is the next best step on arrival with a defibrillator?

Accepted Answer

Defibrillate immediately with biphasic 200 J

Answer

Administer epinephrine 1 mg IV before defibrillation

Answer

Begin amiodarone 300 mg IV push

Answer

Intubate before defibrillation

Answer

Check a 12‑lead ECG before any shock

Practice question

A 62‑year‑old man collapses at home. The rhythm is ventricular fibrillation. What is the next best step on arrival with a defibrillator?