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Abstract #2119

Optimization of cardiac functional magnetic resonance imaging at 7T

El-Sayed H Ibrahim1, V Emre Arpinar1, L Tugan Muftuler1, Andrew Nencka1, and Kevin Koch1

1Medical College of Wisconsin, Milwaukee, WI, United States

In this study, we provide preliminary data from phantom and in vivo scans for optimizing 7T cardiac functional imaging. The results show that high-quality cardiac functional imaging can be achieved at 7T by optimizing the scan settings and imaging parameters, especially to mitigate B1 inhomogeneity effects. Adjusting the imaging flip angle and adding dielectric pads to the imaged region-of-interest could help improve B1 homogeneity and reduce signal nulling effects. High spatial and temporal resolutions and improved tagging persistence achieved at 7T allows for accurate global and regional cardiac function measurements and access to information not available at lower field strengths.

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