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4岁儿童心跳正常值多少
更新时间: 2020-11-05 00:00:00  

4岁儿童心率的正常值为80-100次/分。心率不是一个恒定的值,受饮食、运动、情绪等因素的影响。

心跳(heartbeat),顾名思义就是心脏的跳动。右心房收纳全身的静脉血,通过右心室从肺动脉泵出,此时肺动脉中流的是静脉血,通过肺中的气体交换,变成含氧丰富的动脉血,由肺静脉送至左心房,再通过左心室的主动脉泵向全身各个组织器官以满足其正常生理活动的需要。

关键词: 儿童 心跳 正常值 多少

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