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Related Concept Videos

Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Related Experiment Video

Updated: May 19, 2026

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging
11:13

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging

Published on: May 24, 2021

Accelerating three-dimensional molecular cardiovascular MR imaging using compressed sensing.

Claudia Prieto1, Marcelo E Andia, Christian von Bary

  • 1King's College London, Division of Imaging Sciences, London, United Kingdom. claudia.prieto@kcl.ac.uk

Journal of Magnetic Resonance Imaging : JMRI
|August 7, 2012
PubMed
Summary
This summary is machine-generated.

Compressed Sensing (CS) reconstruction accelerates cardiovascular molecular MRI acquisition. This technique enhances imaging of cardiovascular disease in preclinical models by reducing scan times without significant loss of image quality.

Related Experiment Videos

Last Updated: May 19, 2026

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging
11:13

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging

Published on: May 24, 2021

Area of Science:

  • Biomedical Imaging
  • Cardiovascular Research
  • Magnetic Resonance Imaging

Background:

  • Molecular MRI offers detailed cellular and molecular insights for early cardiovascular disease assessment.
  • Long acquisition times currently limit the clinical application of 3D molecular MRI.
  • Compressed Sensing (CS) leverages image sparsity to accelerate MRI scans.

Purpose of the Study:

  • To accelerate 3D high-resolution cardiovascular molecular MRI acquisition using Compressed Sensing (CS).
  • To evaluate the effectiveness of CS in preclinical cardiovascular molecular MRI studies.

Main Methods:

  • CS reconstruction was applied to molecular MRI data from small-animal models.
  • Acquisitions included single- and multiple-coil setups for various cardiovascular targets.
  • Retrospective and prospective undersampling strategies were employed.

Main Results:

  • Good image quality was maintained with CS acceleration factors up to four for thrombus and aorta, and up to three for coronary arteries.
  • High contrast agent uptake was well-preserved, while low-affinity targets showed some degradation at higher accelerations.
  • Prospective undersampling demonstrated good contrast and clear boundaries in enhanced aortic regions.

Conclusions:

  • Compressed Sensing (CS) is successfully applied to preclinical cardiovascular molecular MRI.
  • CS enables accelerated data acquisition using target-specific gadolinium-based contrast agents.
  • The study validates CS for improving efficiency in molecular cardiovascular imaging.