원인
Narrow QRS tachycardia: Sinus tachycardia, AFib, Atrial flutter, PSVT(AVNRT/AVRT), AT, junctional tachycardia(성인에서는 드물다)
Wide QRS tachycardia: VT, VFib, SVT with aberrant conduction, WPW, ventricular paced rhythm
조치