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Cardiac magnetic resonance imaging: technique and anatomy
1Istituto di Radiologia, Università Cattolica del S. Cuore, Policlinico A. Gemelli, Roma, Italy.
Rays
|June 8, 1999
Summary
Magnetic Resonance Imaging (MRI) advancements enable detailed cardiac studies, providing anatomical, functional, and angiographic data. Advanced MRI techniques offer comprehensive heart assessments, including perfusion and mechanics, in reduced scan times.
Area of Science:
- Cardiovascular Imaging
- Medical Physics
Background:
- Magnetic Resonance Imaging (MRI) technology has significantly advanced.
- These advancements permit detailed cardiac assessments.
Purpose of the Study:
- To outline the capabilities of modern MRI for cardiac evaluation.
- To highlight specific MRI sequences and their applications in cardiology.
Main Methods:
- Utilizing spin-echo sequences for cardiac morphology.
- Employing gradient-echo sequences for functional studies.
- Implementing fast imaging techniques for reduced scan times and single breath-holds.
Main Results:
- Direct visualization of coronary arteries.
- Assessment of cardiac perfusion.
- Quantification of blood flow using velocity-encoded imaging.
- Accurate definition of cardiac mechanics via myocardial tagging.
Conclusions:
- Modern MRI provides comprehensive anatomic, functional, and angiographic information of the heart.
- Advanced MRI sequences allow for detailed assessment of coronary arteries, perfusion, flow, and mechanics.
- Fast imaging techniques improve patient comfort and efficiency in cardiac MRI examinations.