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

Phase-sensitive cardiac tagging--REALTAG.

J Andrew Derbyshire1, Smita Sampath1, Elliot R McVeigh1

  • 1Laboratory of Cardiac Energetics, National Heart Lung and Blood Institute, National Institutes of Health, DHHS, Bethesda, Maryland, USA.

Magnetic Resonance in Medicine
|July 31, 2007
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

Reduced left atrial strain from 4-dimensional computed tomography predicts atrial fibrillation recurrence after ablation.

Heart rhythm·2025
Same author

Atrial dysfunction: a contrast-free marker for HFpEF in obese diabetics-insights from comprehensive CMR and serum biomarker analyses.

Cardiovascular diabetology·2025
Same author

A Left Atrial Positioning System to Enable Follow-up and Cohort Studies.

IEEE transactions on bio-medical engineering·2025
Same author

The long-term vascular and myocardial outcomes in selected Kawasaki disease patients with regression of giant coronary artery aneurysms.

Cardiology in the young·2024
Same author

Geometric Changes in Mitral Valve Apparatus during Long-term Cardiac Resynchronization Therapy as Assessed with Cardiac CT.

Radiology. Cardiothoracic imaging·2024
Same author

Protocol optimization for functional cardiac CT imaging using noise emulation in the raw data domain.

Medical physics·2024
Same journal

Feasibility and SNR Performance of Hyperpolarized <sup>129</sup>Xe Gas Exchange Imaging Using a Balanced SSFP Sequence.

Magnetic resonance in medicine·2026
Same journal

Multi-Contrast Human Brain CEST MRI at 11.7 T: First In Vivo Demonstration.

Magnetic resonance in medicine·2026
Same journal

Suppression of Oscillation and Ghosting in RF-Spoiled Gradient-Echo-Based Dynamic Imaging.

Magnetic resonance in medicine·2026
Same journal

A Simple, Dynamic Geometric Phantom for MRI and CT Reconstruction Pipelines: Beyond Shepp-Logan.

Magnetic resonance in medicine·2026
Same journal

7T 3D-EPI PCASL With High SNR Efficiency and Robustness to Through-Plane B<sub>0</sub> Field Gradients.

Magnetic resonance in medicine·2026
Same journal

A Comparison of Tissue Property Values Estimated Using Conventional Cardiac MRF and MT-Cardiac MRF.

Magnetic resonance in medicine·2026
See all related articles

Fully inverting spins improves magnetic resonance imaging (MRI) tag contrast and detection precision. This technique enables higher spatial resolution for strain measurements and better cardiac cycle coverage in cine imaging.

Area of Science:

  • Medical Imaging
  • Biophysics
  • Cardiovascular Technology

Background:

  • Standard spin saturation in tagging procedures offers limited contrast.
  • Inadequate contrast hinders precise detection and detailed physiological measurements.

Purpose of the Study:

  • To demonstrate the implementation of fully inverted spins with phase-sensitive reconstruction.
  • To improve tag contrast-to-noise ratio (CNR) for enhanced MRI applications.

Main Methods:

  • Utilized a ramped-flip-angle, steady-state free precession (SSFP) sequence.
  • Employed phase-sensitive reconstruction for inverted tag signals.
  • Compared inversion tagging with standard saturation methods.

Main Results:

Related Experiment Videos

  • Fully inverting spins significantly improved tag contrast and CNR.
  • Achieved higher precision in tag detection and improved spatial resolution for measurements.
  • Demonstrated the necessity of phase-sensitive reconstruction to avoid signal rectification.

Conclusions:

  • Fully inverted spins offer superior contrast for MRI tagging procedures.
  • Phase-sensitive reconstruction is crucial for accurate interpretation of inversion tags.
  • This method enhances MRI capabilities for cardiovascular imaging and strain analysis.