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Abstract #4888

SAR characterisation for parallel transmission MRI comparison between modelling different decoupling regimes

Arian Beqiri 1 , Jeff W. Hand 1 , Francesco Padormo 1,2 , Joseph V. Hajnal 1,2 , and Shaihan J. Malik 1

1 Division of Imaging Sciences and Biomedical Engineering, King's College London, London, United Kingdom, 2 Centre for the Developing Brain, King's College London, London, United Kingdom

In this study we compare different ways of modelling decoupling in parallel transmission MRI systems using EM solver simulations. One method is to model the individual transmit elements independently without including any decoupling networks leading to an ideally decoupled system. The other method involves using circuit co-simulation to model the entire system fully along with the decoupling networks. Here we compare the fields produced between the two methods and their estimates of SAR showing that they both give comparable results.

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