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Electrical treatment

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The main strategies are:

  • overdrive pacing
  • cardioversion

Overdrive pacing involves transvenous pacing of the right atrium at a rate 20-30% faster than the tachycardia. There is a risk of precipitating atrial fibrillation which, in the presence of Wolff-Parkinson-White syndrome can result in a dangerously rapid ventricular response rate.

DC cardioversion is usually successful and may be used in an emergency. Start at 100J moving up to 200J and then 360J.

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