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Abstract #2683

Improved Visualization of Myocardial Perfusion Defects Using Ungated Continuously-sampled Radial First-Pass MRI with Comparison to ECG-gated Imaging

Behzad Sharif 1 , Reza Arsanjani 1 , Rohan Dharmakumar 1 , Noel Bairey Merz 1 , Daniel S. Berman 1 , and Debiao Li 1

1 Biomedical Imaging Research Institute, Dept. of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, California, United States

We have developed a non-ECG-gated myocardial perfusion imaging technique capable of imaging all slices at the same systolic phase. The method uses steady-state FLASH imaging with continuous radial sampling. The results in healthy volunteers and CAD patients demonstrate ability of the proposed method in visualizing the transmural extent of perfusion defects and compare its performance to the conventional ECG-gated method.

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