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Abstract #2094

Evaluating Pilot Tone and self-gating for retrospective cardiac binning in highly accelerated, whole heart 4D flow imaging

Aaron Pruitt1, Yingmin Liu1, Ning Jin2, Peter Speier3, Chong Chen1, Orlando Simonetti1, and Rizwan Ahmad1
1The Ohio State University, Columbus, OH, United States, 2Siemens Medical Solutions USA, Inc., Columbus, OH, United States, 3Siemens Healthcare GmbH, Erlangen, Germany

In this work, we incorporate Pilot Tone as part of our previously described highly accelerated and fully self-gated 4D flow framework to perform retrospective cardiac binning. We compare cardiac triggers derived from Pilot Tone directly with those derived from self-gating and ECG in and demonstrate agreement in aortic and pulmonary artery flow quantification between 4D flow images reconstructed us ECG-, SG-, and PT-based cardiac binning.

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