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关注：1
2013-05-23 12:21
求翻译：窦房结发出冲动，传至心房肌，使心房肌收缩，同时向下传至房室结。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
窦房结发出冲动，传至心房肌，使心房肌收缩，同时向下传至房室结。
问题补充： |
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2013-05-23 12:21:38
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2013-05-23 12:23:18
Dou check-issued impulse, upload to the Convention so that atrial flutter atrial contraction of the Convention and at the same time handed down to the room.
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2013-05-23 12:24:58
The sino-atrial node sends out the impulse, passes on to the atrium muscle, causes the atrium myo- contraction, simultaneously approaches the download to the atrioventricular node.
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2013-05-23 12:26:38
Sinus issue impulse, spread to the Atria, atrial muscle contraction, down to the atrioventricular node.
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2013-05-23 12:28:18
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