Time-Frequency Analysis of the Endocavitarian Signal in Paroxysmal Atrial Fibrillation

被引：8

作者：

Pagana, Guido ^{[1
]}

Galleani, Lorenzo ^{[2
]}

Gross, Stefano ^{[3
]}

Roch, Massimo Ruo ^{[2
]}

Pastore, Erica ^{[2
]}

Poggio, Mauro ^{[2
]}

Quaranta, Greta ^{[2
]}

机构：

[1] Politecn Torino, DAUIN, I-10129 Turin, Italy

[2] Politecn Torino, Dept Elect & Telecommun, I-10129 Turin, Italy

[3] Osped Mauriziano Umberto 1, I-10128 Turin, Italy

来源：

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING | 2012年 / 59卷 / 10期

关键词：

Atrial fibrillation; catheter ablation; nonstationary random processes; spectral analysis; statistical analysis; time-frequency analysis; P-WAVE DURATION; CATHETER ABLATION; SPECTRAL-ANALYSIS; SINUS RHYTHM; SITES; ORGANIZATION; ELECTROGRAMS; THERAPY; RISK;

D O I：

10.1109/TBME.2012.2211596

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We apply the time-frequency analysis to the endocavitarian signal of patients suffering from paroxysmal atrial fibrillation. The time-frequency spectrum reveals the components of the endocavitarian signal. These components are located in the regions of the time-frequency domain that differ for in-rhythm and in-atrial fibrillation signals. By using experimental data, we perform a statistical study of these regions, and we obtain their average value. The difference in the shape of these regions is caused by the re-entry circuits that characterize atrial fibrillation. We propose a propagation model for atrial fibrillation based on the re-entry circuits, which explains the shape of the time-frequency spectrum.

引用

页码：2838 / 2844

页数：7

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