目的：评价程控刺激(PES)在儿科临床应用的价值。
Objective: To evaluate programmed electrical stimulation (PES) in diagnosis of paroxysmal supraventricular tachycardia (PSVT).
分别通过冠状窦口电极、冠状窦远端电极和左房侧壁电极进行程控刺激。
Programmed stimulation was delivered at coronary sinus ostium, distal coronary sinus and lateral wall of left atrium.
基于89c55设计了多功能心脏电生理程控刺激仪，给出了硬件设计电路和软件的系统结构。
The programmed multifunction electrophysiological heart stimulator is designed on the basis of 89c55, and its hardware design circuit and software system structure is presented.
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