ICM 左室大多数呈“圆拱门形”心尖圆钝变薄、收缩期运动明显低平，节段性室壁运动障碍及主动脉增宽为其特点。
The patients with ICM were characterized by thin spherical apex of left ventricle with hypokinesis, regional wall motion and dilated aorta.
结论腹主动脉结扎大鼠心房纤维化程度增加，P波时限增宽，IACT延长，心房有效不应期没有改变。
Conclusion The extent of atrial fibro sis was increased in abdominal aorta banded rats. Although longer P wave duration and IACT are present, there is no change in atrial effective refractory period.
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