一、导言冠心病所并发的室性心动过速仍是促使患者死亡的主要原因.近年,虽然对于冠心病的流行病学和病理生理有了更为深入的了解,内科对定性心动过速的治疗也取得了可观的进展,但仍有相当数量的患者,其室性心动过速难于用目前的抗心律失常药物控 First, the introduction of coronary heart disease complicated by ventricular tachycardia is still the main cause of death in patients in recent years, although for the coronary heart disease epidemiology and pathophysiology have a more in-depth understanding of internal medicine on the qualitative tachycardia Treatment has also made considerable progress, but there are still a significant number of patients whose ventricular tachycardia is refractory to the current antiarrhythmic drug control