结果：左心房的电-机械延迟时间较长，右侧的心房收缩时间和心室的电-机械延迟时间较长。
Results: Electromechanical delay time was longer in left atrium. Atrial contraction time and PR interval were longer in right side.
在心房颤动，不协调电活动导致无效的心房收缩，减少心房充盈时间，减少心输出量。
During atrial fibrillation, uncoordinated electrical activity leads to ineffective atrial contraction, reduced atrial filling time, and decreasing cardiac output.
在心房颤动，不协调电活动导致无效的心房收缩，减少心房充盈时间，减少心输出量。
During atrial fibrillation, uncoordinated electrical activity leads to ineffective atrial contraction, reduced atrial filling time, and decreasing cardiac output.
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