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1)  QT dispersion
QT离散度
1.
Effect of percutaneous coronary intervention on QT dispersion in patients with unstable angina;
冠状动脉介入治疗对不稳定型心绞痛QT离散度的影响
2.
Effect of Metoprolol on QT dispersion and heart rate variability in patients with acute myocardial infarction;
美托洛尔对急性心肌梗死患者QT离散度及心率变异性的影响
3.
Clinical significance of QT dispersion in 48 patients with acute myocardial infarction;
急性心肌梗死48例QT离散度临床意义
2)  QT interval dispersion
QT离散度
1.
Effect of direct percutaneous coronary intervention on QT interval dispersion in patients with acute myocardial infarction;
直接经皮冠状动脉介入治疗对急性心肌梗死患者QT离散度的影响
2.
The change of QT interval dispersion after thoracic sympathectomy for palmar hyperhidrosis;
手汗症胸交感神经链切断术后QT离散度的变化
3.
Anylysis of QT interval dispersion in patients with myocardial infarction died during hospitalization;
急性心肌梗死住院死亡病人QT离散度分析
3)  QTd
QT离散度
1.
Effect of Irbesartan on Left Ventricular Hypertrophy and QTd in Hypertension
依贝沙坦逆转高血压左心室肥厚及其对QT离散度的影响
2.
Objectives:To explore the clinical significanse of QTd in 68 cases with pulmonary heart disease with coronary heart disease.
目的:探讨68例肺心病合并冠心病患者中QT离散度(QTd)的临床意义。
3.
Objective To assess the value of QT dispersion (QTd) on the restenosis after percutaneous coronary intervention (PCI).
目的对经皮冠状动脉介入(PCI)术前、术后有及无再狭窄病人行QT离散度(QTd)分析,评估QTd对PCI术后冠状动脉再狭窄的临床应用价值。
4)  QT dispersion degree
QT离散度
1.
Change and significance of myocardial enzymes and QT dispersion degree on electrocardiogram in acute stage patients with cerebral apoplexy
脑卒中患者急性期心肌酶与心电图QT离散度的变化及意义
2.
Objective To observe the effects of coronary artery plastic surgery on the QT dispersion degree.
目的 观察经皮冠状动脉成形术对冠心病患者QT离散度 (QTd)的影响。
3.
Objectives To discuss the relationship between ventricular arrhythmias and QT dispersion degree inpatients with hypertension.
目的 了解高血压病室性心律失常与QT离散度(QTd)的关系。
5)  QT dispersion(QTd)
QT离散度
1.
Objective:To research on the relationship between heart rate variability(HRV) and QT dispersion(QTd)in patients with type 2 diabetes Menitus.
目的:探讨2型糖尿病(T2DM)的心率变异(HRV)与QT离散度(QTd)的关系。
2.
To discuss the effect of Wengxin granule to the QT dispersion(QTd)of the patients with Coronary Heart Disease(CHD).
探讨稳心颗粒对冠心病患者 QT离散度 ( QTd)的影响。
6)  QT and JT dispersion
QT、JT离散度
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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