The deeper were the coronary sinus leads, the lower the pacing threshold.

冠状静脉窦电极位置较深, 则测得起搏阈值较低.

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Objectives : To study the myocardial protective effects on retrograde perfusion via coronary sinus in beating heart.

目的: 探讨经冠状静脉窦逆行灌注心脏不停跳方法对体外循环心内直视术中心肌保护的效果.

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AF was provoked by APB .6 F multiple electrode catheters were placed at right ventricle, His bundle, coronary sinus, right atrium.

放置6F多极 导管电极于右室 、 His束及冠状静脉窦(CS), Halo电极置于右房.

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Objective : To study the myocardial protective effects on retrograde perfusion via coronary sinus in beating heart.

目的: 探讨经冠状静脉窦逆行灌注心脏不停跳方法对体外循环术中心肌保护的效果.

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