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一岁半心跳多少正常
更新时间: 2020-11-05 00:00:00  

心跳不仅与年龄、性别有关,还与体态、活动、情绪和环境温度有关。一般呼气时比安静时快,吸气时慢,躺着时慢,运动时比安静时快,哭泣时比安静时快。孩子越小,心跳越快。为了满足生长发育和旺盛的新陈代谢,只需增加心率来增加产量,所以孩子的心率很快,心率随着年龄的增长而逐渐减慢。安静状态下,新生儿每分钟120~140次,1岁以下110~130次,1~3岁每分钟100~120次,4~7岁每分钟80~100次,8~14岁每分钟70~90次。

关键词: 心跳 多少 正常

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