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不同年龄、性别、心率的正常成人Q-T间期的特征分析 被引量:1

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摘要 目的探讨不同年龄、性别、心率正常成人Q-T间期的特征。方法比较3 062例正常成人心电图的Q-T间期和Q-Tc。结果正常成人的Q-T间期和Q-Tc在18~39、40~59、≥60岁3个年龄组间具有显著差异(P〈0.01);除18~39岁组外,其他两个年龄组及不分年龄组的Q-T间期有性别差异,女性Q-T间期大于男性(P〈0.01);分年龄组和不分年龄组的Q-Tc均有性别差异,女性Q-Tc大于男性(P〈0.01)。在不同的心率段Q-T间期和Q-Tc均存在显著差异(P〈0.01);Q-T间期与心率呈负相关(r=-0.502,P〈0.01),而Q-Tc与心率呈正相关(r=0.473,P〈0.01)。结论正常成人Q-T间期和Q-Tc间期均受心率的显著影响,年龄和性别对Q-T间期有一定影响。
出处 《实用临床医学(江西)》 CAS 2008年第9期33-34,36,共3页 Practical Clinical Medicine
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