Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Detection of fetal QRS-complexes by external methods.

J Ahopelto, K Hukkinen, T E Katila

Annales Chirurgiae Et Gynaecologiae Fenniae

|January 1, 1975

Summary

A novel method accurately detects fetal heart rate and QRS complexes from fetal electrocardiograms and magnetocardiograms. This technique minimizes timing errors, though maternal interference and noise can still cause some data loss.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Axillary nodal metastatic burden in patients with breast cancer with clinically positive axillary nodes.

The British journal of surgery·2020

Same author

Nanocrystalline silicon optomechanical cavities.

Optics express·2018

Same author

Breast implant-associated anaplastic large cell lymphoma - From diagnosis to treatment.

European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology·2017

Same author

Adverse Histopathology and Imaging Findings in Reduction Mammaplasty Day-surgery Patients.

Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society·2014

Same author

Lifetimes of confined acoustic phonons in ultrathin silicon membranes.

Physical review letters·2013

Same author

The interaction of blood flow, insulin, and bradykinin in regulating glucose uptake in lower-body adipose tissue in lean and obese subjects.

The Journal of clinical endocrinology and metabolism·2012

Area of Science:

Biomedical Engineering
Cardiology
Fetal Monitoring

Background:

Accurate fetal heart rate monitoring is crucial for assessing fetal well-being.
Existing methods for fetal QRS complex detection face challenges with maternal signal interference and noise.
Fetal magnetocardiography (fMCG) and electrocardiography (fECG) offer non-invasive approaches to fetal cardiac assessment.

Purpose of the Study:

To develop and evaluate a new method for detecting QRS complexes and calculating fetal heart rate.
To assess the accuracy and limitations of the proposed method using both fetal magnetocardiogram (fMCG) and fetal electrocardiogram (fECG) data.
To compare the performance of the new method against existing techniques in terms of error rates and data loss.

Main Methods:

The new method analyzes the amplitude, polarity, and shape of QRS complexes for accurate detection.
The equipment utilizes advanced signal processing algorithms to differentiate fetal cardiac signals from noise and maternal interference.
Consecutive heart beat intervals are identified and analyzed from both fECG and fMCG recordings.

Main Results:

The developed method achieves less than 1% error in timing for detecting consecutive heart beat intervals from fECG.
When using external fECG, approximately 10% of QRS complexes were lost due to simultaneity with maternal complexes.
Signal loss was also observed due to inherent noise within the recordings, impacting overall detection rates.

Conclusions:

The presented method offers a highly accurate approach for fetal heart rate and QRS complex detection, particularly from fECG.
The study highlights the persistent challenge of maternal signal interference and noise in fetal cardiac signal processing.
Further refinement of the method is warranted to mitigate signal loss and improve detection robustness in complex clinical scenarios.

Related Experiment Videos