我不知道医院如何收取肾血管手术和脉冲发生器中使用的特殊射频消融导管的费用。

I am not sure how much they charge for the patented radio frequency ablation catheter that they use in the renal vessels and the impulse generator.

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前言：目的：总结和探讨预激综合征导管消融术后有关的特殊心电现象。

Objective: To evaluate the special ECG phenomenon associated with Wolff-Parkinson-White (WPW) syndrome by catheter ablation.

youdao