1) T-wave alternans
T波交替变异性
1.
Study of the relation between T-wave alternans and cardiac functioninactute myocardial
急性心肌梗死病人T波交替变异性与心功能的关系
2) T wave alternans
T波交替
1.
Objective To detect and analyse the TWA(T wave alternans,TWA) in angina patients.
目的检测与分析心绞痛患者的T波交替(Twave alternans,TWA)。
2.
Objective: To investigate whether the microvolt-level T wave alternans (TWA) alternating morphology from beat-to-beat during exercise chould be a marker to identify the high-risk of ventricular arrythmia in patients with ischemic heart disease.
目的:探讨微伏T波交替(TWA)可否作为一项缺血性心脏病患者伴室性心律失常危险因素的预测指标。
3.
Considerable scientific data support the potential value of T wave alternans(TWA) is ralated to ventricular arrhythmias and sudden cardiac death and provides a noninvasive and clinically useful marker for the risk of them.
T波交替(T-wave alternans,TWA)作为一种非稳态的心电变异性现象,是指心电T波段振幅、形态甚至极性逐拍交替变化。
3) T-wave alternans
T波交替
1.
ECG T-wave alternans detection using low sampling frequencies;
低采样率心电非稳态T波交替分析方法
2.
Objective:To research the technology of detecting T-wave alternans (TWA) which is a variation in the amplitude or morphology of the T wave of the beat-to-beat ECG.
方法:本研究首先使用Mexican-hat小波检测R峰并对心电信号进行预处理;在提取T波矩阵方面为减少心拍间内差,采用点乘最大法,最大程度地对齐T波;最后基于时域相关分析方法检测T波交替幅度、交替心拍,追踪非稳态心电信号中短暂的交替数据段。
4) T wave alternans
T波电交替
1.
A clinical study of microvolt T wave alternans and ventricular tachycardia;
微伏级T波电交替与室性心动过速的临床研究
2.
T wave alternans(TWA) is a marker of cardiac electrical instability with the potential for ventricular arrhythmia risk stratification among the high vulnerable patients and is considered as human and animals mark leading to ventricular tachycardia and ventricular fibrillation.
T波电交替是心肌电活动不稳定的标志,可作为室性心律失常高危患者的危险分层,是人类及动物缺血心肌发生室性心动过速、心室颤动的标志,是发生恶性室性心律失常及心性猝死的无创预测指标。
3.
The system devised by ourselves is used to detect the ECG signal, and transfer the T wave alternans from time domain to frequence domain .
同时引入 T波电交替系数 TWAI用于电交替的测定 ,其分析结果定量性较好 ,显著优于以前在心电图上肉眼观察的效果。
5) heteromorphic alternation
异性交替
6) microvolt T-wave Alternans
微伏T波交替
1.
A model was developed to emulate microvolt T-wave alternans (TWA), which occur during ECG tests, as a function of the exercise scheme, signal preprocessing, QRS wave locations, T-wave selection method and others factors associated with the ECG signal.
为心电微伏T波交替的临床研究寻找一种合适的检测方案,文章对T波交替检测的影响因素——运动方案、信号预处理、QRS复波位置、T波选取及心电信号的相关问题进行了分析,对T波交替检测的算法进行了仿真研究。
补充资料：T波
T波
参见"正常心电图"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条