A new beat-by-beat spectrotemporal analysis of variability in ECG morphology

Piotr Rozentryt; Jacek ??ski; Jacek Sroczyński; Ernest Czoga?a

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A new beat-by-beat spectrotemporal analysis of variability in ECG morphology

机译：心电图形态变异性的逐节拍新时空分析

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Amplitude of ECG potentials varies on a beat-to-beat basis. This variability can be seen in different parts of ECG cycles and is usually periodic in nature. In our study we present a new method allowing analysis of such type of variability. It investigates the distribution of variability power in time and frequency domains (spectrotemporal maps). A new feature of the method is its ability to attenuate errors in amplitude variability measurements coming from RT interval alterations. We present also examples of spectro-temporal maps obtained in healthy subjects, surgically denervated patients after heart transplantation and patients with coronary artery disease.

机译：心电图电位的幅度逐次变化。这种变化可以在心电图周期的不同部分看到，并且通常是周期性的。在我们的研究中，我们提出了一种新方法，可以分析这种类型的变异性。它研究了时域和频域（频谱时空图）中变异性功率的分布。该方法的新功能是能够衰减来自RT间隔更改的幅度可变性测量中的误差。我们还介绍了在健康受试者，心脏移植后经神经支配手术的患者和患有冠状动脉疾病的患者中获得的光谱-时间图的示例。

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《Medical science monitor :》 |1999年第1期|共9页
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Piotr Rozentryt; Jacek ??ski; Jacek Sroczyński; Ernest Czoga?a;
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中图分类医药、卫生;
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1. Spectrotemporal mapping of high-resolution ECGs in experimental myocardial infarction: comparison with time-domain analysis and epicardial electrograms. [J] . Hofmann M, Goedel Meinen-L, Leipert H, PACE: Pacing and clinical electrophysiology . 1999,第9期

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2. Time Domain versus Spectrotemporal Analysis of the Signal-Averaged ECG for Arrhythmic Events after Myocardial Infarction [J] . A Staunton, J Camm, J Poloniecki, Clinical Science . 1992,第s26期

机译：心肌梗死后心律不齐事件的信号平均心电图的时域与频谱时间分析
3. A meta-analysis of ECG data from healthy male volunteers: diurnal and intra-subject variability, and implications for planning ECG assessments and statistical analysis in clinical pharmacology studies. [J] . Harris RI, Steare SE European journal of clinical pharmacology . 2006,第11期

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4. Beat-by-Beat Variability of QT ECG-Interval Holds a Well-Founded Promise for Clinical Cardiology: A Review [C] . R. Negoescu International conference on advancements of medicine and health care through technology . 2011

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A new beat-by-beat spectrotemporal analysis of variability in ECG morphology

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