Cardiac Mri Analysis
Cardiac Mri Analysis - Related Videos
08:41
Assessment of Cardiac Function and Myocardial Morphology Using Small Animal Look-locker Inversion Recovery (SALLI) MRI in Rats
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Cited by 2 •
2013
Contrast enhanced cardiac magnetic resonance (CMR) imaging allows comprehensive in vivo assessment of the heart in small animal models of cardiovascular disease. Here we detail the procedures to perform CMR imaging, reconstruction and analysis using Small Animal Lock-Locker Inversion Recovery (SALLI) in rats.
11:37
Cardiac Magnetic Resonance Imaging
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2023
Source: Frederick W. Damen and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana In this video, high field, small-bore magnetic resonance imaging (MRI) with physiological monitoring is demonstrated to acquire gated cine loops of the murine cardiovascular system. This procedure provides a basis for assessing left-ventricular function, visualizing vascular networks, and quantifying motion of organs due to respiration. Comparable small animal...
06:21
In Vivo MRI Analysis of Cranial Nerve Morphology in a Patient with Inner Ear Disorder
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2025
Source: Flatz, W. H. et al. In Vivo Morphometric Analysis of Human Cranial Nerves Using Magnetic Resonance Imaging in Menière's Disease Ears and Normal Hearing Ears. J. Vis. Exp. (2018).This video demonstrates the use of MRI to analyze cranial nerve morphology in the ears of patients suffering from a chronic inner ear disorder. It outlines the steps for performing a high magnetic field MRI scan on the patient, reconstructing the high-resolution 3D cross-sectional images of the cranial nerves,...
08:15
Cardiac Pressure-Volume Loop Analysis Using Conductance Catheters in Mice
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Cited by 33 •
2015
Cardiac pressure-volume loop analysis is the most comprehensive way to measure cardiac function in the intact heart. We describe a technique to perform and analyze cardiac pressure volume loops, using conductance catheters.
12:27
Noninvasive In Vivo Small Animal MRI and MRS: Basic Experimental Procedures
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Cited by 9 •
2009
This work describes basic procedures of noninvasive small animal MRI and MRS in vivo.
FAQs
ECG gating aligns image acquisition with specific points in the cardiac cycle. This temporal coordination allows the heart to be assessed during motion rather than as an unsynchronized series of images. It improves interpretation of ventricular movement and function by reducing uncertainty caused by changes in cardiac phase between acquired data.
Specialized sequences provide complementary information about cardiac motion, perfusion, edema, and scar. Their differing image characteristics allow analysts to examine contraction, blood supply, tissue swelling, and injury from more than one perspective. Considering these findings together helps distinguish functional abnormalities from tissue changes and supports a more comprehensive interpretation.
When appropriate, gadolinium-based contrast adds information that may not be evident from noncontrast images alone, particularly for perfusion and tissue characterization. Its use can help highlight regions associated with abnormal blood flow, edema, or scar. Analysts interpret these contrast-enhanced findings alongside anatomy, motion, and other sequences rather than in isolation.
A systematic workflow reviews cardiac anatomy, ventricular function, tissue characteristics, and blood flow across the available images. Analysts also evaluate quantitative measurements and relate findings from different sequences to one another. This organized approach converts multiple image types into an integrated assessment that can support diagnosis, risk assessment, and follow-up.
The analysis is particularly relevant when clinicians need to evaluate cardiomyopathies, myocardial infarction, congenital heart disease, or valvular disorders. It can characterize both structural and functional consequences of these conditions, while tissue-sensitive imaging adds information about edema or scar. The resulting assessment may guide treatment planning and help monitor disease progression.
Quantitative measurements provide numerical evidence that complements visual interpretation of cardiac images. They can support evaluation of ventricular function, contribute to risk assessment, and establish a basis for comparing examinations over time. In clinical and research settings, these measurements help track disease progression and assess whether findings are changing during monitoring or treatment.