Adaptive Signal Process Techniques for Extracting Craniate’s Electrocardiograms

Swapnali Moon, Dr. N. K. Choudhari, Dr. D. M. Kate

Abstract


This investigation introduces a robotized and non intrusive innovation utilizing a coordinated fetal transabdominal electrocardiogram framework and Doppler cardiogram (DCG) to distinguish fetal heart oddities. The Multiresolution wavelet investigation and Jensen-Shannon disparity (JSD) techniques were utilized to recognize the recurrence substance of the Doppler signs to be connected to the opening and shutting of the heart's valves (Aortic and mitral). For the everyday babies, PEP (Pre-discharge period), VET (Ventricular launch time), ICT (Isovolumic constriction time) and IVRT (Isovolumic unwinding time) were observed to be 75.0±11.9 (msec), 153.2±18.9 (msec), 50.0±15.9 (msec) and 69.6±9.7 (msec) separately. Then again, for hatchlings with heart inconsistencies, these planning interims were observed to be 89.0±10.3 (msec), 168.6±25.0 (msec), 52.2±17.2 (msec) and 51.6±13.7 (msec) separately. Punch, VET and IVRT values are altogether (p< zero.01) numerous between the two gatherings.


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References


CESDI. Confidential Enquiry into Stillbirths and Deaths in Infancy. London: Maternal and Child Health Research Consortium, www.cesdi.org.au, 2001.

Ferrario M, Signorini MG, Magenes G. Comparison between fetal heart rate standard parameters and complexity indexes for the identification of severe intrauterine growth. Methods Inf Med 2007; 46(2):186-90.

Murata Y and Martin, CB. Systolic time intervals of the fetal cardiac cycle, Obstet Gynecol, 1974; 44: 224-232.

Khandoker AH, Kimura Y, Ito T, Palaniswami M. Non-Invasive Determination of Electromechanical Time Intervals of Cardiac Cycle Using Abdominal ECG and Doppler Ultrasound Signals from Fetal Hearts. Computers in Cardiology 2007; 34: 657−660. October 1-3, 2007, Durham, USA.

Khandoker AH, Kimura Y, Ito Y, Sato N, Okamura K, Palaniswami M. Antepartum non-invasive evaluation of opening and closing timings of the cardiac valves in fetal cardiac cycle”, Medical & Biological Engineering1 & Computing 2009; 47:1075–82.

Sato M, Kimura Y, Chida S, Ito T, Katayama N, Okamura K, Nakao M. A Novel Extraction Method of Fetal Electrocardiogram From the Composite Abdominal Signal. IEEE Trans on Biomed Engg 2007; 54 (1): 49-58.

Organ LW, Bernstein A, Hawrylyshyn PA.. The pre- ejection period as an antepartum indicator of fetal well- being. Am J Obstet Gynecol 1980: 137: 810-9.

Koga T, Athayde N, Trudinger B.. The fetal cardiac isovolumetric contraction time in normal pregnancy and in pregnancy with placental vascular disease. BJOG 2001: 08: 179-85.

Tsyvian PB, Markova TV, Mikhailova SV, Hop WC, Wladimiroff JW. Left ventricular isovolumic relaxation in the growth restricted fetus. Eur J Obstet Gynecol Reprod Biol 2008:140:33-7.

Pereyra ME, Lamberti PW, Rosso OA, Wavelet Jensen- Shannon divergence as a tool for studying the dynamics of frequency band components in EEG epileptic seizures, Physica A: Statistical Mechanics and its Applications 2007:379:122-32.


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