A Wide Complex Tachycardia in a 31-year-old Male

Case PresentationA 31-year-old male without any significant medical or surgical history presented to the emergency department of a community hospital complaining of acute onset palpitations.He was not on any medication, did not report any illicit drug abuse and was hemodynamically stable.The 12-lead ECG is shown in figure 1.Following electrical cardioversion, another 12lead ECG was obtained (fig.2).At this point, our arrhythmia unit was consulted for advice concerning further work-up and management.