Meeting Banner
Abstract #0090

Improved Cardiac Triggering by Combining Multiple Physiological Signals: A Cardiac MR Feasibility Study at 7.0 T

Tobias Frauenrath1, Katharina Fuchs2, Fabian Hezel1, Matthias Alexander Dieringer1, 3, Jan Rieger1, 4, Thoralf Niendorf1, 3

1Berlin Ultrahigh Field Facility (B.U.F.F.), Max Delbrueck Center for Molecular Medicine, Berlin, Germany; 2Berlin Ultrahigh Field Facility (B.U.F.F.), Max Delbrueck Center for Molecular Medicine, Berlin, Germany; 3Experimental and Clinical Research Center (ECRC), Charit Campus Buch, Humboldt-University, Berlin, Germany; 4MRI.TOOLS GmbH, Berlin, Germany

Motivated by the challenges and limitations of conventional single physio-information systems like ECG, this study presents the advantages of combining two trigger methods into one trigger output. The approach is demonstrated for cardiac LV function assessment at 7.0T.

Abstract PDF Presentation Video

Keywords

acoustic acquisition acquisitions activity adapt alternative applicability approaches approx around array artifacts assess assessment bandwidth blank blanking blood blurring bottom breath called cardiac challenge cine clinical coil combination combinations combined combining commonly components comprises conjunction corrupted cost coupled coupler cycle dealt derived designed detection differentiate differentiation digital displayed element elevation eliminate embodies encountered erroneous examined example extra facility feasibility feature field flash free gated gating general generated hardware healthy heart held helps hence hydrodynamic illustrated induced inherently input lead limitation logging magneto manifests misinterpreted motion occur occurred open output oxygenation peak performance physiological pixel practice proceedings processed processing produced pronounced propensity proposes pulses real realizing recognition record recordings reduce reliable relies require retrospectively scanner severe short simultaneously since slice software stage strengths supports suppress susceptible synchronization system threshold together tone tones tools tracing track traditional triangle triangles trigger triggered triggering triggers unit valid vector views wave waveform waveforms waves whereby whole