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Author:
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Year:
Volume:
Issue:
bian shi xing gong neng qu xian (26)
Pages:
393
Year:
2009
Issue:
5
Journal:
Journal of Clinical Electrocardiology
Keyword:
变时性
;
窦房结
;
特殊传导系统
;
人体运动
;
动态心电图
;
生理功能
;
自律性
;
心脏
;
起搏点
;
性活动
;
Abstract:
<正>窦房结是人体心脏特殊传导系统的第一级起搏点,其有两个重要的生理功能,一是自律性,即窦房结以固有较高的频率发放窦性激动,控制着整个心脏的节律性活动。二是变时性,是指人体运动时,随
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