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Abstract #0026

Using Gradient Waveforms Derived from Music in MR Fingerprinting (MRF) to Increase Patient Comfort in MRI

Dan Ma 1 , Vikas Gulani 1,2 , and Mark Griswold 1,2

1 Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States, 2 Radiology, Case Western Reserve University, Cleveland, OH, United States

The purpose of this study is to use MRF method to potentially mitigate the acoustic noise problem in normal MR scans while simultaneously quantifying multiple tissue parameters. Instead of producing quiet sequences, we instead take advantage of the extra degrees of freedom in MRF to design acquisitions to replicate music in the magnet. In this study, mp3 music files, which are converted to arbitrary readout encoding gradients, are used with varying flip angles and TRs in the MRF exam to quantify T1, T2, off-resonance and proton density maps simultaneously while providing pleasing sounds to the patient.

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