Narrow-complex tachycardias are commonly seen on shift in the emergency department. Although a portion of patients present with hemodynamic instability because of arrhythmia, it is important to know that the tachycardia can be a result of an underlying condition. Rapid identification of the type and etiology of the arrhythmia is vital to directing appropriate management strategies and disposition decisions.
Keywords: Narrow-complex tachycardia; Supraventricular tachycardia; Tachycardia; Tachydysrhythmia.
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