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QT离散度与心率变异性的关系

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摘要 QT离散度(QTd)主要反映心室肌复极的不稳定性,而心率变异(HRV)主要反映自主神经活性及其平衡协调关系.HRV是公认的非创伤性的评价自主神经活动的一种方法,而QT间期受自主神经活动的调节,显示出昼夜的节律性改变.
作者 冯湘红
出处 《实用心电学杂志》 2003年第5期337-337,共1页 Journal of Practical Electrocardiology
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