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Abstract #3607

Comparison of Left Function Assessment Using Phonocardiogram and Electrocardiogram Triggered 2D SSFP CINE MR Imaging at 1.5 T and 3.0 T

Tobias Frauenrath1, Meike Becker2,3, Fabian Hezel1, Gabriele A. Krombach2, Ute Kremer2, Jeanette Schulz-Menger1,3, Thoralf Niendorf1,3

1Berlin Ultrahigh Field Facility, Max-Delbrueck Center for Molecular Medicine, 13125 Berlin, Germany; 2Department of Radiology, University Hospital, RWTH, 52074 Aachen, Germany; 3Experimental and Clinical Research Center (ECRC), Charit Campus Buch, Humboldt-University, 13125 Berlin, Germany

As high-field cardiac MRI (CMR) becomes more widespread the propensity of ECG to distortions and mistriggering increases and with it the motivation for a cardiac triggering alternative. Hence, this study explores the suitability of acoustic cardiac triggering (ACT) for left ventricular (LV) function assessment in healthy subjects at 1.5T and 3.0T.