Radiofrequency ablation works by passing electrical currents in the range of radiofrequency waves between the needle electrode and the grounding pads placed on the patient's skin.

射频消融术通过病人皮肤上的接地垫和电极针之间的高频电流起作用。

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The new approach couples CT (computed tomography) images with conventional ablation techniques to eliminate erratic electrical circuits in the heart that produce arrhythmias.

新的方法将CT（计算机断层成像）与传统的射频消融技术结合，用来消除心脏内引起心律失常的不稳定电环路。

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In catheter ablation procedures, doctors attempt to identify locations of abnormal electrical activity in the heart.

在导管消融过程中，医生尝试识别心脏中异常电活动的位置。

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