نتایج جستجو برای: noninvasive fetal electrocardiogram

تعداد نتایج: 132781  

Journal: :TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES 2016

Journal: :Traitement Du Signal 2022

This paper presents the recognition of fetal ECG signals from a single-channel recording. The Continuous Wavelet Transform generates two-dimensional representation single-dimension input containing electrocardiogram waves, which are accurately located and isolated. By segmenting this 2D using Otsu's method, continuous wavelet transform each wave may be estimated. temporal expression is then reb...

Journal: :International Journal of Reproduction, Contraception, Obstetrics and Gynecology 2014

Journal: :Obstetrics and gynecology 2015
Diana W Bianchi Saba Parsa Sucheta Bhatt Meredith Halks-Miller Kathryn Kurtzman Amy J Sehnert Amy Swanson

OBJECTIVE To describe the clinical experience with noninvasive prenatal testing for fetal sex chromosomes using sequencing of maternal plasma cell-free DNA in a commercial laboratory. METHODS A noninvasive prenatal testing laboratory data set was examined for samples in which fetal sex chromosomes were reported. Available clinical outcomes were reviewed. RESULTS Of 18,161 samples with sex c...

Journal: :The Cochrane database of systematic reviews 2003
J P Neilson

BACKGROUND Animal and human studies have shown that fetal hypoxaemia during labour can alter the shape of the fetal electrocardiogram (ECG) waveform, notably (1) the relation of the PR to RR intervals and (2) elevation or depression of the ST segment. Technical systems have therefore been developed to monitor the fetal ECG during labour as an adjunct to continuous electronic fetal heart rate mo...

2006
M. I. IBRAHIMY M. B. I. REAZ M. A. MOHD ALI T. H. KHOON A. F. ISMAIL

An algorithm has been developed for the simultaneous measurement of the fetal and maternal heart rates from the maternal abdominal electrocardiogram during pregnancy and labor for fetal monitoring. The algorithm is based on cross-correlation, adaptive thresholding and statistical properties in the time domain. The algorithm was initially developed and simulated in Visual C++. Once the functiona...

Journal: :Annals of clinical and translational neurology 2016
Laura Goetzl Nune Darbinian Edward J Goetzl

Adverse in utero exposures can disrupt fetal brain development, deplete subpopulations of neurons and inhibit formation of normal synaptic connections. A major roadblock to unraveling the precise mechanisms and timing of human neurodevelopmental derangement is the almost complete absence of sensitive noninvasive assessments. We present novel methods for isolating fetal neuronal exosomes from ma...

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