Design of Gradient-Echo Sequences

Heule, R

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Design of Gradient-Echo Sequences

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Heule, R
Institutional Guests, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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https://submissions.mirasmart.com/ISMRM2022/Itinerary/ConferenceMatrixEventDetail.aspx?id=19
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Citation

Heule, R. (2022). Design of Gradient-Echo Sequences. Talk presented at Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022). London, UK. 2022-05-07 - 2022-05-12.

Cite as: https://hdl.handle.net/21.11116/0000-000A-5C87-7

Abstract

Signal generation in magnetic resonance imaging is driven by either of two fundamental mechanisms: spin echoes or gradient echoes. This lecture introduces the basic concepts and properties of gradient echo formation in comparison to spin-echo imaging. The influence of acquisition parameters on the produced contrast is described and typical artifacts are discussed. Special focus is on the design of rapid gradient-echo sequences based on the principle of steady-state free precession (SSFP), including three main classes: radiofrequency-spoiled gradient-echo, nonbalanced SSFP, and balanced SSFP imaging.