Results 31 to 40 of about 346,294 (308)

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

Effectiveness of ambulatory non‐invasive fetal electrocardiography: impact of maternal and fetal characteristics

open access: yesActa Obstetricia et Gynecologica Scandinavica, 2023
Introduction Non‐invasive fetal electrocardiography (NIFECG) has potential benefits over the computerized cardiotocography (cCTG) that may permit its development in remote fetal heart‐rate monitoring.
Becky Liu   +2 more
doaj   +1 more source

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

The Normal Fetal Heart Rate Study: Analysis Plan [PDF]

open access: yes, 2007
Recording of fetal heart rate via CTG monitoring has been routinely performed as an important part of antenatal and subpartum care for several decades. The current guidelines of the FIGO (ref1) recommend a normal range of the fetal heart rate from 110 to
Anne-Laure Boulesteix   +6 more
core   +3 more sources

Detection of atrial fibrillation episodes in long-term heart rhythm signals using a support vector machine [PDF]

open access: yes, 2020
Atrial fibrillation (AF) is a serious heart arrhythmia leading to a significant increase of the risk for occurrence of ischemic stroke. Clinically, the AF episode is recognized in an electrocardiogram.
Czabanski, Robert   +9 more
core   +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

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

New estimators and guidelines for better use of fetal heart rate estimators with Doppler ultrasound devices [PDF]

open access: yes, 2013
International audienceCharacterizing fetal wellbeing with a Doppler ultrasound device requires computation of a score based on fetal parameters. In order to analyze the parameters derived from the fetal heart rate correctly, an accuracy of 0.25 beats per
Girault, Jean-Marc   +3 more
core   +11 more sources

Effects of three different stimulations (acupuncture, moxibustion, acupuncture plus moxibustion) of BL.67 acupoint at small toe on fetal behavior of breech presentation [PDF]

open access: yes, 2007
The aim of the study was to evaluate cardiovascular effects and fetal behavior during moxibustion, acupuncture or acupuncture plus moxibustion applied on the BL.67 acupoint of women (beside the outer corner of the 5th toenail) in fetal breech ...
De Pace V   +3 more
core   +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

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