Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Isomagnetic maps in right ventricular overloading.

Y Nakaya1, A Takeuchi, H Nii

  • 1Second Department of Internal Medicine, School of Medicine, University of Tokushima, Japan.

Journal of Electrocardiology
|April 1, 1988
PubMed
Summary
This summary is machine-generated.

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

Cloning and characterization of a transcription factor that binds to the proximal promoters of the two mouse type I collagen genes.

The Journal of biological chemistry·1997
Same author

A new method of bone tissue measurement based upon light scattering.

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research·1997
Same author

Cerebrospinal fluid interleukin-6 in progressive Neuro-Behçet's syndrome.

Clinical immunology and immunopathology·1997
Same author

Experimental acute glomerulonephritis induced in the rabbit with a specific streptococcal antigen.

Clinical and experimental immunology·1997
Same author

Asymptomatic acute poststreptococcal glomerulonephritis following upper respiratory tract infections caused by Group A streptococci.

Clinical nephrology·1996
Same author

Fibrolipoma of the colon with an unusual appearance.

Endoscopy·1996

Magnetocardiography, using isomagnetic maps, clearly detects cardiac current sources in the right ventricle, improving diagnostic sensitivity over traditional electrocardiograms.

Area of Science:

  • Biophysics
  • Cardiology
  • Medical Imaging

Background:

  • Conventional electrocardiography (ECG) has limitations in precisely localizing cardiac electrical activity.
  • Systolic overloading of the right ventricle presents diagnostic challenges.
  • Understanding cardiac current sources is crucial for diagnosing heart conditions.

Purpose of the Study:

  • To investigate the utility of isomagnetic mapping in visualizing cardiac current sources.
  • To compare the diagnostic sensitivity of magnetocardiography (MCG) with ECG for right ventricular conditions.
  • To explore the potential of MCG in detecting multiple cardiac dipoles.

Main Methods:

  • Recording isomagnetic maps in normal subjects and patients with right ventricular systolic overload.

Related Experiment Videos

  • Utilizing a second derivative gradiometer to detect magnetic fields.
  • Applying the "corkscrew rule" to identify instantaneous current sources.

    • Main Results:

    • Isomagnetic maps clearly identified cardiac current sources from the right ventricle.
    • MCG demonstrated improved diagnostic sensitivity for anteriorly located right ventricular sources.
    • Multiple dipoles, often missed by ECG, were visualized using isomagnetic mapping.

    Conclusions:

    • Magnetocardiography provides valuable supplementary information on cardiac current sources.
    • Isomagnetic mapping enhances the detection of electrical activity in the right ventricle.
    • MCG offers a promising tool for improved cardiac diagnostics.