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1)  correction QT interval dispersion
校正QT间期离散度
1.
OBJECTIVE:To evaluate the correction QT interval dispersion (QT ed)for judgemen of the infaretion related vascular reflow and prediction malignancy ventricular arhythmia (MVA) of acute myocardial infarction (AMI) after thrombolytic therapy.
目的 :探讨校正QT间期离散度 (QTcd)在急性心肌梗死 (AMI)溶栓治疗后判断梗死相关血管再通及预测恶性室性心律失常 (MVA)发生的价值。
2)  corrected QT dispersion
校正的QT离散度
1.
Objective To explore the dependablity between pre- and post- treatment QT dispersion or corrected QT dispersion changes and the incidence of scuch heart events as malignant arrhythmia and sudden death etc in patients with acute myocardial infarction before and after thrombolysis treatment.
目的探讨急性心肌梗死患者溶栓治疗前后QT离散度及校正的QT离散度的变化与恶性心律失常、猝死等心脏事件发生率的相关性。
3)  Corrected QT dispersion
校正QT离散度
1.
Effect of perindopril on changes of corrected QT dispersion in aged patients with acute myocardial infarction;
培哚普利对老年人急性心肌梗死后校正QT离散度的影响
4)  Qtcd
校正后QT离散度
1.
Results: After three weeks treatment, Qtcd of patients in treatment group decreased significantly.
观察培哚普利对充血性心力衰竭患者校正后QT离散度的影响。
5)  QT dispersion
QT间期离散度
1.
Effect of emergency percutaneous coronary intervention on QT dispersion;
急诊经皮冠状动脉介入治疗对QT间期离散度的影响
2.
Relation between QT dispersion and left ventricular morphology in patients with hypertrophic cardiomyopathy;
肥厚性心肌病患者左心室形态学改变与QT间期离散度的关系
3.
Effect of coronary artery disease on QT dispersion;
冠状动脉病变对QT间期离散度的影响
6)  QT interval dispersion
QT间期离散度
1.
The ways of achieving QT interval dispersion by software;
QT间期离散度的软件实现方法
2.
Changes of the QT interval dispersion in the electrocardiogram and associated factors during single hemodialysis session;
单次血液透析中QT间期离散度的变化及其影响因素
3.
Measure of QT interval dispersion of dilated cardiomyopathy in children;
小儿扩张型心肌病QT间期离散度测定
补充资料:离散时间周期序列的离散傅里叶级数表示
       (1)
  式中χ((n))N为一离散时间周期序列,其周期为N点,即
  式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。
  
  从式(1)可导出已知X((k))N求χ((n))N的关系
   (2)
  式(1)和式(2)称为离散傅里叶级数对。
  
  当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
  

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