A patient with unstable atrial fibrillation requires synchronised cardioversion. Which initial biphasic energy strategy is appropriate for atrial fibr...

Question

A patient with unstable atrial fibrillation requires synchronised cardioversion. Which initial biphasic energy strategy is appropriate for atrial fibrillation?

Accepted Answer

Use 120–150 J initially and escalate energy after a failed shock

Answer

Use 50 J and repeat the same energy after each failed shock

Answer

Use 70 J and repeat the same energy after each failed shock

Answer

Use 100 J and repeat the same energy after each failed shock

Answer

Use 360 J unsynchronised for the initial shock

Atrial Fibrillation (Rate Control) — MRCP Part 1 MCQ

A patient with unstable atrial fibrillation requires synchronised cardioversion. Which initial biphasic energy strategy is appropriate for atrial fibrillation?