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|本期目录/Table of Contents|

QT间期离散度的电生理基础及临床意义(PDF)

《心脏杂志》[ISSN:1009-7236/CN:61-1268/R]

期数:
2003年第3期
页码:
276-279
栏目:
综述
出版日期:
2003-05-01

文章信息/Info

Title:
-
作者:
毕爱华; 刘加麟; 胡建荣; 李斌综述; 胡际和审校
上海市嘉定区中心医院心内科,上海嘉定20180
Author(s):
-
关键词:
QT间期离散度; 动作电位; 心律失常; 室性
Keywords:
-
分类号:
Q424;R540.41
DOI:
-
文献标识码:
A
摘要:
QT间期离散度(QTd)增加常伴有室性心律失常发生的倾向。其电生理基础是2,3相的外向离子流减少,内 向离子流增加而引起动作电位时程和QT间期延长。器质性心脏病的QTd增加,表示基础疾病的心肌病理生理的电不稳定性,并不代表测定心室不应期不均匀性的准确定量。QTd的临床意义至今尚未完全澄清。
Abstract:
-

参考文献/References

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备注/Memo

备注/Memo:
收稿日期：2002-11-20.
更新日期/Last Update: 2003-05-01