A 7-year-old, 45-pound child is in cardiac arrest. The ECG shows ventricular fibrillation. If the first defibrillation is unsuccessful, you should defibrillate with:

A: 100 joules.
B: 80 joules.
C: 60 joules.
D: 40 joules.

Answer: B: 80 joules.

Health Professions

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