ArticlePhysiological measurement2019
Fetal magnetocardiogram waveform characteristics.
Article in Physiological measurement, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- OPM-based fetal magnetocardiography: fetal cardiac time intervals in healthy pregnancies compared to postnatal ECGs.Archives of gynecology and obstetrics · 2026Article
- Fetal magnetocardiography: Using quantum technologies to define fetal rhythm, conduction, and repolarization prior to birth.American heart journal plus : cardiology research and practice · 2025Article
- Fetal Conduction Disease and Arrhythmia in Ebstein's Anomaly and Tricuspid Valve Dysplasia Assessed by Fetal Magnetocardiography.Journal of the American Heart Association · 2025Observational
- Fetal tachyarrhythmias: current knowledge for clinical practice.Translational pediatrics · 2025Review
- Accurate diagnosis of ischemic heart disease without exposure to radiation using non-stress unshielded magnetocardiography.American heart journal plus : cardiology research and practice · 2025Article
- Advances of magnetocardiography in application of adult and fetal cardiac diseases.Frontiers in cardiovascular medicine · 2025Review
- Harnessing the Heart's Magnetic Field for Advanced Diagnostic Techniques.Sensors (Basel, Switzerland) · 2024Review
- The magnetocardiogram.Biophysics reviews · 2024Review
- Study on the clinical value of the wearable foetal electrocardiogram monitoring system.Technology and health care : official journal of the European Society for Engineering and Medicine · 2024Article
- Preventing and Treating Torsades de Pointes in the Mother, Fetus and Newborn in the Highest Risk Pregnancies with Inherited Arrhythmia Syndromes.Journal of clinical medicine · 2023Review
- A Small Scale Optically Pumped Fetal Magnetocardiography System.Journal of clinical medicine · 2023Article
- Contribution of Fetal Magnetocardiography to Diagnosis, Risk Assessment, and Treatment of Fetal Arrhythmia.Journal of the American Heart Association · 2022Review
- Repolarization Predictors of Fetal Long QT Syndrome.Heart rhythm O2 · 2020Article
- Congenital Heart Block in Subsequent Pregnancies of SSA/Ro-Positive Mothers: Cutting Recurrence in Half.Journal of the American College of Cardiology · 2020Article
- Complex and Novel Arrhythmias Precede Stillbirth in Fetuses With De Novo Long QT Syndrome.Circulation. Arrhythmia and electrophysiology · 2020Article
- Fetal diagnosis of KCNQ1-variant long QT syndrome using fetal echocardiography and magnetocardiography.Pacing and clinical electrophysiology : PACE · 2020Article
- Ultrasensitive Magnetic Field Sensors for Biomedical Applications.Sensors (Basel, Switzerland) · 2020Review
- Article
- Measurement of the cardiac time intervals of the fetal ECG utilising a computerised algorithm: A retrospective observational study.JRSM cardiovascular diseaseArticle
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
backgroundFetal magnetocardiography (fMCG) is the most direct and precise method of assessing fetal rhythm and conduction. Although the utility of fMCG for evaluation of fetuses with serious arrhythmia is generally acknowledged, many aspects of fetal rhythm and conduction are relatively unstudied.
objectiveTo record fMCG in a large group of normal fetuses in order to provide a more comprehensive evaluation of fMCG waveform characteristics, including waveform intervals, amplitudes, and morphology.
methodsThe subjects were 132 healthy women with uncomplicated singleton pregnancies, studied at 15.7-39.9 (mean 28.9) weeks' gestation in 259 sessions. The P, PR, QRS, QT, QTc, and RR intervals and the P/QRS and T/QRS amplitude ratios were measured. MAIN
resultsThe P, PR, QRS, and RR intervals increased with gestational age, but QT and QTc did not. U-waves were seen in 11% of fetuses. The T-waves were often flat with low T/QRS amplitude ratios. Equiphasic QRS complexes were associated with tall P-waves. The PR, QRS, and QT intervals showed a power law dependence on RR interval with power law exponents 0.445, 0.363, and 0.381, respectively. SIGNIFICANCE: The data establish prediction intervals for fMCG waveform intervals and amplitudes in normal fetuses. This is critical for identification of fetuses with abnormal rhythm. Our study is the first to document the incidence of U-waves and flat T-waves in the fetus, both of which are uncommon postnatally. The association of tall P-waves with equiphasic QRS complexes provides a useful means of improving the resolution of fetal P-waves.
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