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Abstract #4913

Model-Based Lag Free Processing of Pilot Tone Navigator Data Enables Prospective Cardiac Triggering

Mario Bacher1, Peter Speier1, Jan Bollenbeck1, Matthias Fenchel2, and Matthias Stuber3

1Siemens Healthcare, Erlangen, Germany, 2Siemens Medical Solutions USA, New York, NY, United States, 3CHUV, D├ępartement de Radiologie M├ędicale, Lausanne, Switzerland

Cardiac MRI acquisitions require accurate triggering, usually derived from ECG. The contactless, electromagnetic Pilot Tone navigator enables direct measurement of cardiac and respiratory motion, independently of the acquisition. Here we present an almost lag free pipeline to process the cardiac Pilot Tone signal and derive triggers from it.

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