Treatment of Wide Complex Tachycardias

Written on behalf of the Sanger Heart and Vascular Education Group

A 37-year-old man is brought to the emergency department with episodes of palpitations. There he has intermittent episodes of wide complex tachycardia. He is hemodynamically stable. The following electrocardiogram (ECG) is obtained:

Figure 1

Which of the following is the best course of action?

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