Shape characterization of atrial fibrillation using time-frequency analysis

被引：9

作者：

Stridh, M ^{[1
]}

Sörnmo, L ^{[1
]}

机构：

[1] Lund Univ, Dept Electrosci, SE-22100 Lund, Sweden

来源：

COMPUTERS IN CARDIOLOGY 2002, VOL 29 | 2002年 / 29卷

关键词：

D O I：

10.1109/CIC.2002.1166696

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

A new method for characterization of atrial fibrillation in the surface ECG is presented which is based on a time-frequency distribution of the QRST-cancelled signal. With the present method, information regarding temporal variations in fibrillation frequency and waveform shape is extracted and investigated. The method is evaluated on a database including 182 recordings (obtained during resting conditions) from patients diagnosed with atrial fibrillation. The results show that a high fibrillation frequency often is associated with a sinusoidal shape whereas a low frequency is more associated with a sawtooth-like shape.

引用

页码：17 / 20

页数：4

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