| 摘要 |
An apparatus and method for terminating atrial and ventricular tachyarrhythmias by delivering a voltage pulse to an electrode arrangement that efficiently terminates the tachyarrhythmia. In one embodiment, a voltage pulse is impressed between an electrode located in the coronary sinus and an electrode located lo within the superior vena cava or right atrium which is also coupled to an extravascular electrode. In another embodiment, a voltage pulse is impressed between an electrode located within the right ventricle and electrodes located within the coronary sinus and the superior vena cava that are also coupled to an extravascular electrode.
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