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Principles Of ECG Gating For CMR

D. López, M. Salerno
Published 2015 · Computer Science

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The constant motion of the heart imposes particular challenges on cardiac magnetic resonance (CMR) as compared to magnetic resonance imaging (MRI) of other organs. Thus, imaging the heart requires synchronization of data acquisition to the cardiac cycle, typically using an electrocardiographic recording of the heart’s electrical activity. This technique is known as electrocardiographic (ECG)-gating. Depending on the specific anatomical or functional information desired, data acquisition may need to occur throughout the cardiac cycle, or may need to be synchronized to a particular phase of the cardiac cycle. This chapter will review basic ECG concepts, ECG-gating modes, common problems and suggestions for troubleshooting these issues.
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