Wide-complex, monomorphic tachycardias represent a range of tachyarrhythmias. Such patients can present asymptomatically and hemodynamically stable, while others are in shock. The etiology of the rhythm can be difficult to determine in the emergency department, and although electrocardiogram findings may be helpful, a workup after stabilization may be necessary to determine the cause. Treatment is therefore dependent on hemodynamic status and follows a stepwise approach, as initial therapies may be ineffective. We present the case of a three-year-old girl with wide-complex tachycardia which was exceedingly refractory to preliminary treatments and required trials of multiple treatment approaches to achieve conversion to normal sinus rhythm.
Keywords: pediatric cardiac arrhythmias; refractory ventricular tachycardia; tachyarrhythmias; ventricular tachycardia (vt); wide-complex tachycardia; pediatric.
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