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. 2021 Jan 29;8:631366. doi: 10.3389/fcvm.2021.631366

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Copyright © 2021 Bhuva, Treibel, Seraphim, Scully, Knott, Augusto, Torlasco, Menacho, Lau, Patel, Moon, Kellman and Manisty.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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A corrected T1 map revealing anterior wall scar (white arrows) in a patient with cardiac sarcoidosis and an implanted permanent pacemaker. There is false lowering of original T1 measurement (far left) in the anterior wall due to off-resonance (center-left). Off-resonance can be measured and then corrected for to generate an off-line T1 map (center-right). Bottom row shows corresponding average segmental T1 and off-resonance (Hz) values, and 2-chamber wideband late gadolinium enhancement (LGE). Elevated T1 after correction corresponds with distribution of scar seen on wideband LGE (far right) imaging.