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Abstract #2424

3D Wideband Late Gadolinium Enhancement (LGE) MRI for Patients with Implanted Cardiac Devices

Shams Rashid 1 , Stanislas Rapacchi 1 , Roderick Tung 2 , Kalyanam Shivkumar 2 , Daniel Ennis 1 , J. Paul Finn 1 , and Peng Hu 1

1 Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, CA, United States, 2 Cardiac Arrhythmia Center, University of California, Los Angeles, Los Angeles, CA, United States

We have modified a 3D IR-FLASH sequence for LGE cardiac MRI of patients with implanted cardiac devices. We show that a conventional 3D FLASH sequence produces artifacts which do not appear in corresponding 2D wideband LGE images. We optimizied the 3D LGE sequence by implementing a wideband IR pulse and by increasing the bandwidth of the excitation pulse. We show that this modified 3D wideband LGE sequence is very promising in removing aforementioned artifacts and produce high resolution images in patients with cardiac devices.

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