Results 41 to 50 of about 908,670 (370)

Fetal ECG Arrhythmia Detection Based on DensNet Transfer Learning

open access: yesFrontiers in Biomedical Technologies, 2023
Purpose: The mortality rate of fetuses due to heart defects is a major concern for clinicians. The fetus's heart is monitored non-invasively using the abdominal Electrocardiogram (ECG) of the mother.
Ashutosh Singh   +3 more
doaj   +1 more source

Developmental milestones of the autonomic nervous system revealed via longitudinal monitoring of fetal heart rate variability

open access: yesPLoS ONE, 2018
Background Fetal heart rate variability (fHRV) of normal-to-normal (NN) beat intervals provides high-temporal resolution access to assess the functioning of the autonomic nervous system (ANS).
U. Schneider   +8 more
semanticscholar   +1 more source

Estimation and Discriminability of Doppler Ultrasound Fetal Heart Rate Variability Measures

open access: yesFrontiers in Artificial Intelligence, 2021
Continuous electronic fetal monitoring and the access to databases of fetal heart rate (FHR) data have sparked the application of machine learning classifiers to identify fetal pathologies.
Johann Vargas-Calixto   +3 more
doaj   +1 more source

The use of ultrasonographic measurement of the heart size and fetal heart rate variation for gestational age determination in local Bulgarian goats

open access: yesVeterinary Medicine and Science, 2021
Background Determination of gestational age in goats was performed using ultrasound measurements of different fetal biometric parameters. There are no data showing quadratic and exponential dependence between fetal heart parameters and gestational age ...
Manol Karadaev   +3 more
doaj   +1 more source

Improvements in fetal heart rate analysis by the removal of maternal-fetal heart rate ambiguities [PDF]

open access: yesBMC Pregnancy and Childbirth, 2015
Misinterpretation of the maternal heart rate (MHR) as fetal may lead to significant errors in fetal heart rate (FHR) interpretation. In this study we hypothesized that the removal of these MHR-FHR ambiguities would improve FHR analysis during the final hour of labor.Sixty-one MHR and FHR recordings were simultaneously acquired in the final hour of ...
Paula Pinto   +4 more
openaire   +3 more sources

Maternal, fetal and neonatal heart rate and heart rate variability in Holstein cattle

open access: yesPesquisa Veterinária Brasileira, 2019
: The aim of this study was to describe the normal values for maternal, fetal and neonatal heart rate (HR) and heart rate variability (HRV) indexes in the time domain (standard deviation of beat-to-beat interval - SDNN; root mean square of successive ...
Dario A.C. Quevedo   +5 more
doaj   +1 more source

Prenatally diagnosed fetal heart rhythm abnormalities—incidence, diagnosis and outcome

open access: yesClinical and Experimental Obstetrics & Gynecology, 2022
Backrounds: Fetal arrhythmias represent a significant cause of fetal morbidity and mortality and occur in approximately 1–3% of pregnancies. The unknown fetal arrhythmias are the cause of intrauterine fetal demise in as many as 3–10% of cases, as well as
Jelena Stamenković   +7 more
doaj   +1 more source

Fetal Heart Rate Monitoring Implemented by Dynamic Adaptation of Transmission Power of a Flexible Ultrasound Transducer Array

open access: yesItalian National Conference on Sensors, 2019
Fetal heart rate (fHR) monitoring using Doppler Ultrasound (US) is a standard method to assess fetal health before and during labor. Typically, an US transducer is positioned on the maternal abdomen and directed towards the fetal heart.
Paul Hamelmann   +5 more
semanticscholar   +1 more source

The pattern of variations in the first trimester fetal heart rate in Indian population: a pilot study [PDF]

open access: yes, 2019
Background: Fetal heart rate is an indicator of fetal viability. During third trimester and labour the normal range of fetal heart rate is between 110-160 bpm as recommended by the international guidelines.
R., Hethyshi
core   +2 more sources

Short term effects of antenatal maternal betamethasone administration on CTG [PDF]

open access: yes, 2022
Background: Antenatal administration of corticosteroids to pregnant women has proven to enhance lung maturation, prevent respiratory distress syndrome and provide neuroprotection to the foetus.
Anjanappa, Sanvithi   +2 more
core   +3 more sources

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