Objectives:Observing the alterations of heart rate variability (HRV) after radiofrequency catheter ablation (RFCA) in patients with supraventricular tachycardia and exploring its correlated factors.

• 目的:观察射频导管消融(RFCA)术后室上性心动过速(室上速)患者心率变异的变化,并探讨其相关因素。