2015
A Wavelet-Based ECG Delineation Method: Adaptation to an Experimental Electrograms with Manifested Global Ischemia
HEJČ, Jakub; Martin VÍTEK; Marina RONZHINA; Marie NOVÁKOVÁ; Jana KOLÁŘOVÁ et. al.Základní údaje
Originální název
A Wavelet-Based ECG Delineation Method: Adaptation to an Experimental Electrograms with Manifested Global Ischemia
Autoři
HEJČ, Jakub (203 Česká republika); Martin VÍTEK (203 Česká republika); Marina RONZHINA (203 Česká republika); Marie NOVÁKOVÁ (203 Česká republika, garant, domácí) a Jana KOLÁŘOVÁ (203 Česká republika)
Vydání
Cardiovascular Engineering and Technology, New York, Springer Publishing Company, 2015, 1869-408X
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
30105 Physiology
Stát vydavatele
Spojené státy
Utajení
není předmětem státního či obchodního tajemství
Kód RIV
RIV/00216224:14110/15:00081012
Organizační jednotka
Lékařská fakulta
UT WoS
000380356800014
EID Scopus
2-s2.0-84938569218
Klíčová slova anglicky
ECG delineation; Electrogram; Ischemia; Isolated rabbit heart; Wave detection; Wavelet transform
Štítky
Příznaky
Recenzováno
Změněno: 10. 9. 2015 10:20, Ing. Mgr. Věra Pospíšilíková
Anotace
V originále
We present a novel wavelet-based ECG delineation method with robust classification of P wave and T wave. The work is aimed on an adaptation of the method to long-term experimental electrograms (EGs) measured on isolated rabbit heart and to evaluate the effect of global ischemia in experimental EGs on delineation performance. The algorithm was tested on a set of 263 rabbit EGs with established reference points and on human signals using standard Common Standards for Quantitative Electrocardiography Standard Database (CSEDB). On CSEDB, standard deviation (SD) of measured errors satisfies given criterions in each point and the results are comparable to other published works. In rabbit signals, our QRS detector reached sensitivity of 99.87% and positive predictivity of 99.89% despite an overlay of spectral components of QRS complex, P wave and power line noise. The algorithm shows great performance in suppressing J-point elevation and reached low overall error in both, QRS onset (SD = 2.8 ms) and QRS offset (SD = 4.3 ms) delineation. T wave offset is detected with acceptable error (SD = 12.9 ms) and sensitivity nearly 99%. Variance of the errors during global ischemia remains relatively stable, however more failures in detection of T wave and P wave occur. Due to differences in spectral and timing characteristics parameters of rabbit based algorithm have to be highly adaptable and set more precisely than in human ECG signals to reach acceptable performance.
Návaznosti
GAP102/12/2034, projekt VaV |
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MUNI/A/0957/2013, interní kód MU |
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