Alternatively, defibrillating current may be passed between a single intracardiac catheter (right atrium, coronary sinus) and a single cutaneous patch placed anteriorly or posteriorly.

• 或者使除纤颤电流在一个独立的心脏导管（右心房，冠状静脉窦）与一个独立皮肤贴片（先放置后放置均可）之间流通。