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Abstract #4437

Toolbox for spin-level MRI simulations: an application to cardiac diffusion

Carlos Castillo-Passi1,2,3, Gabriel della Maggiora1,2,4, and Pablo Irarrazaval1,2,3,4
1Millennium Nucleus for Cardiovascular Magnetic Resonance, Santiago, Chile, 2Biomedical Imaging Center, Pontificia Universidad Católica de Chile, Santiago, Chile, 3Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile, 4Electrical Engineering Department, Pontificia Universidad Católica de Chile, Santiago, Chile

Cardiac diffusion imaging is a field with multiple challenges to overcome. The main challenge, compared to other techniques, is that the diffusion encoding sequence is prone to artifacts1. In this work, we show the first version of an MRI simulator that includes the most relevant effects for this type of contrast. And could be a useful tool for the development and testing of new pulse sequences. It is programmed in Julia2, which provides an intuitive object-oriented framework for the pulse sequences and creation of digital phantoms. We show two examples with results that correspond well with the theory.

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