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Related Concept Videos

Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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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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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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Imaging Studies for Cardiovascular System V: CT01:28

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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...
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Imaging Studies for Cardiovascular System III: X-Ray01:20

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

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Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

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Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
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Related Experiment Video

Updated: Sep 9, 2025

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

Jonathan A Pan1, Christopher M Kramer1

  • 1Cardiovascular Division, University of Virginia Health, Charlottesville, VA, USA.

Cardiovascular Innovations and Applications
|August 28, 2025
PubMed
Summary

Cardiac magnetic resonance (CMR) imaging enhances understanding and prognosis of heart failure (HF). This advanced imaging tool offers comprehensive assessments, aiding in diagnosis and guiding treatment for various HF types.

Keywords:
cardiac magnetic resonanceheart failurelate gadolinium enhancementparametric mappingphase contraststress perfusion

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Biomedical Engineering

Background:

  • Heart failure (HF) is a growing global health concern with diverse clinical presentations.
  • Increasing prevalence of HF places a significant burden on healthcare systems worldwide.
  • Accurate assessment and prognosis are crucial for effective HF management.

Purpose of the Study:

  • To highlight the pivotal role of Cardiac Magnetic Resonance (CMR) imaging in evaluating heart failure.
  • To detail the various CMR techniques and their specific applications in HF assessment.
  • To underscore CMR's contribution to understanding HF pathophysiology and prognosis.

Main Methods:

  • Utilizing CMR cine imaging for precise chamber size and function evaluation.
  • Employing phase contrast imaging to quantify valvular regurgitation and complex blood flow.
  • Implementing stress perfusion imaging for detecting myocardial ischemia and microvascular dysfunction.
  • Applying late gadolinium enhancement (LGE) imaging for etiological diagnosis and revascularization guidance.
  • Leveraging T1 and T2 mapping for non-invasive tissue characterization in cardiomyopathies.
  • Using advanced CMR techniques to measure atrial and ventricular strain with high resolution.

Main Results:

  • CMR cine imaging provides accurate assessment of cardiac chamber size and systolic/diastolic function.
  • Phase contrast imaging effectively quantifies valvular regurgitation and abnormal flow dynamics.
  • Stress perfusion imaging identifies areas of reduced blood flow indicative of ischemia.
  • LGE imaging differentiates various cardiomyopathies and guides therapeutic interventions.
  • T1 and T2 mapping offer insights into myocardial tissue composition, aiding in inflammatory and infiltrative diseases.
  • CMR-derived strain measurements provide detailed regional and global myocardial function assessment.

Conclusions:

  • Cardiac magnetic resonance (CMR) imaging is an indispensable tool for comprehensive heart failure evaluation.
  • CMR offers a multi-parametric approach, providing insights into structure, function, perfusion, and tissue characteristics.
  • These advanced imaging capabilities improve diagnostic accuracy, prognostic stratification, and therapeutic decision-making in heart failure patients.