结果：最佳装置结构包含一个胸骨旁电极和左侧胸廓脉冲发生器。
Results The best device configuration consisted of a parasternal electrode and a left lateral thoracic pulse generator.
第2~6肋间神经前皮支（ACIN）在胸骨旁穿出点位置恒定。
The position of T2-6 anterior cutaneous branch of intercostals nerve (ACIN) perforating were invariant.
于左心长轴观、心尖或胸骨旁四腔观以及反流束横断面方位显示偏心性反流束的整体形态，评价二尖瓣的反流程度。
Its stereoscopic shape was observed in long views, the apical and parasternal four chamber views of left ventriculum and its regurgitant extent were estimated.
于左心长轴观、心尖或胸骨旁四腔观以及反流束横断面方位显示偏心性反流束的整体形态，评价二尖瓣的反流程度。
Its stereoscopic shape was observed in long views, the apical and parasternal four chamber views of left ventriculum and its regurgitant extent were estimated.
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