Low-field MRI equipped with high-performance technology and modern imaging methods offers the potential to make technically demanding cardiac imaging more accessible. This study demonstrates that a low-field (0.55T) system can provide accurate phase-contrast flow measurements in both healthy volunteers and patients who were clinically referred for assessment of intracardiac shunt and valvular disease. Comparative studies between contemporary high-performance 0.55T and 1.5T systems generated well-correlated quantitative flow measurements (r>0.87).
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