Prospects of data usage concerning the phases of harmonics of ECG spectrum for more informative heart study

V.N. Krutko; V.V. Pirvu; A.Ya. Chizhov

Prospects of data usage concerning the phases of harmonics of ECG spectrum for more informative heart study

V.N. Krutko¹, V.V. Pirvu², A.Ya. Chizhov³

research article Pages: 60-62

¹ д.т.н., к.б.н., профессор, зав. лабораторией системного анализа и информационных технологий в медицине и экологии, Институт системного анализа РАН (Москва)
² аспирант, лаборатория системного анализа и информационных технологий в медицине и экологии, Институт системного анализа РАН
³ д.м.н., профессор, засл. деятель науки РФ, академик Российской экологической академии, кафедра судебной экологии, экологический факультет, Российский университет дружбы народов (Москва)

Keywords: electrocardiogram spectrum аnalysis

Abstract

The possibilities to extract additional information about the electrical activity of the heart from the amplitude and phase of the spectral characteristics of the electrocardiogram (ECG) were investigated. 50 the digitized sections of the ECG from database «MIT-BIH Arrhythmia Database», data archive ECG signals - «PhysioBank» was used. Recovery of the ECG signal only on the base of amplitude-frequency characteristics of the spectrum is accompanied by distortion of the signal and the loss of its important components. Significantly better the ECG signal is reconstructed from the phase-frequency characteristics of the spectrum. So, it is shown that the phase values of the harmonics of the ECG spectrum carry important information about electrocardiosignals, which can be used in the future to create new methods of ECG analysis with a higher level of information content.

How to cite

Крутько В.Н., Пырву В.В., Чижов А.Я. Новые возможности повышения информативности электрокардиограммы на основе учета фазовых характеристик ее спектра // Технологии живых систем. 2013. № 4. С. 60–62.

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[1] Dabrovski A., Dabrovski B., Piotrovich R. Sutochnoe monitorirovanie EHKG. M.: Medpraktika. 2000. 208 s.

[2] Krutko V.N. Profilaktika starenija kak sistemnaja tekhnologija // Vestnik RAN. 2006. T. 76. № 9. S. 790 - 797.

[3] Krutko V.N., Mamajj A.V., Slavin M.B. Opredelenie biologicheskogo vozrasta na osnove khronologicheskogo i gruppy zhiznenno vazhnykh funkcionalnykh parametrov // Citologija. 1997. T. 39. № 6. S. 481 - 482

[4] Murashko V.V., Strutynskijj A.V. EHlektrokardiografija: uchebnoe posobie. M.: MEDpress-inform. 2007. 320 s.

[5] Fiziologija cheloveka: V 3-kh t. T.2: per. s angl. // pod red. R. SHmidta, G. Tevsa. 3-eizd. M.: Mir. 2007. 323 s.

[6] Addison Paul S. Wavelet transforms and the ECG: a review // Physiol. Meas. 2005. V. 26. P. 155 - 199.

[7] Clifford Gari D. Azuaje Francisco, McSharry Patrick E. Advanced Methods and Tools for ECG Data Analysis. Artech House. 2010. 384 p.

[8] Semmlov John L. Biosignal and Biomedical Image Processing. CRC Press. 2004. 448 p.

Abstract

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