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Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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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Related Experiment Video

Updated: Jun 10, 2026

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
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[Delayed myocardial enhancement: Optimizing the MR imaging protocol].

A Jacquier1, B Bartoli, A Flavian

  • 1Service d'imagerie médicale, CHU La Timone, Marseille, France. alexis.jacquier@ap-hm.fr

Journal De Radiologie
|July 27, 2010
PubMed
Summary
This summary is machine-generated.

This review covers myocardial enhancement models on MRI and CT, detailing contrast agents and emerging techniques for assessing heart muscle viability after infarction. It explains enhancement intensity based on interstitial space and perfusion abnormalities.

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Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Physics

Context:

  • Myocardial enhancement patterns on MRI and CT are crucial for diagnosing and managing cardiac conditions.
  • Understanding contrast agent behavior is key to accurate image interpretation.
  • Assessing myocardial viability post-infarction requires sophisticated imaging techniques.

Purpose:

  • To review fundamental models of myocardial enhancement in MRI and CT.
  • To characterize available iodinated and Gadolinium-based contrast agents.
  • To evaluate emerging MRI contrast agents for myocardial viability assessment.

Summary:

  • Myocardial enhancement intensity post-infarction results from increased interstitial space due to cell necrosis and perfusion abnormalities.
  • Models based on Kety's equation describe contrast kinetics and enhancement in different myocardial tissues (viable, necrotic, fibrotic, no-reflow, hibernating, stunned).
  • This review synthesizes current knowledge on contrast agents and imaging models for evaluating heart muscle health.

Impact:

  • Provides a comprehensive overview for clinicians and researchers in cardiovascular imaging.
  • Facilitates improved understanding and application of contrast-enhanced MRI and CT for myocardial viability assessment.
  • Highlights the role of advanced contrast agents and kinetic modeling in cardiac diagnostics.