Investigation of alternative RF power limit control methods for 0.5T, 1.5T, and 3T parallel transmission cardiac imaging: A simulation study
Johannes Petzold,
Sebastian Schmitter,
Berk Silemek
et al.
Abstract:PurposeTo investigate safety and performance aspects of parallel‐transmit (pTx) RF control‐modes for a body coil at .MethodsElectromagnetic simulations of 11 human voxel models in cardiac imaging position were conducted for , and and a body coil with a configurable number of transmit channels (1, 2, 4, 8, 16). Three safety modes were considered: the ‘SAR‐controlled mode’ (SCM), where specific absorption rate (SAR) is limited directly, a ‘phase agnostic SAR‐controlled mode’ (PASCM), where phase information is… Show more
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