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Updated: Mar 9, 2026

Cardiac Magnetic Resonance Imaging at 7 Tesla
Published on: January 6, 2019
Cardiac MRI Anatomy and Function as a Substrate for Arrhythmias
Chiara Bucciarelli-Ducci1,2, Anna Baritussio3, Angelo Auricchio2
1Bristol Heart Institute, Bristol NIHR Cardiovascular Biomedical Research Unit (BRU), University of Bristol, Bristol, Upper Maudlin Street, BS2 8HW, UK c.bucciarelli-ducci@bristol.ac.uk.
Cardiovascular magnetic resonance (CMR) offers comprehensive cardiomyopathy assessment, including detailed tissue characterization. CMR-quantified myocardial scar is a key predictor of arrhythmic risk, guiding ablation procedures.
Area of Science:
- Cardiology
- Medical Imaging
- Biomedical Engineering
Background:
- Cardiovascular magnetic resonance (CMR) is integral to diagnosing cardiomyopathies.
- It provides precise biventricular volume and function assessment.
- CMR offers superior myocardial tissue characterization compared to other modalities.
Purpose of the Study:
- To highlight CMR's role in assessing cardiomyopathies.
- To emphasize CMR's value in identifying myocardial arrhythmic substrates.
- To showcase CMR's utility in risk stratification and guiding ablation.
Main Methods:
- Utilizing multi-parametric imaging for comprehensive patient evaluation.
- Employing CMR for detailed myocardial tissue characterization.
- Quantifying myocardial scar for risk assessment.
Main Results:
- CMR accurately assesses biventricular volumes and function.
- Myocardial scar quantification by CMR is a potent risk stratification tool, independent of left ventricular ejection fraction (LVEF).
- CMR identifies ventricular and atrial arrhythmic substrates.
Conclusions:
- CMR is a versatile, multi-parametric technique for cardiomyopathy diagnosis.
- Myocardial scar assessment via CMR significantly enhances prognostic risk stratification.
- CMR is increasingly used to guide ventricular and atrial ablation procedures.
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