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Abstract #2438

Investigation of patient positioning and MRE driver placement on Cardiac MR Elastography

Shivaram Poigai Arunachalam 1 , Arvin Arani 1 , Roger Grimm 1 , Kiaran McGee 2 , and Philip Araoz 1

1 Radiology, Mayo Clinic, Rochester, MN, United States, 2 Medical Physics, Mayo Clinic, Rochester, MN, United States

Characterizing myocardial tissue is of great importance in diagnosing and treating various diseases of the heart such as diastolic heart failure etc. Cardiac MR Elastography is an MRI based phase contrast technique that applies shear waves to the myocardium and estimates its stiffness. Robust estimates for myocardial stiffness demands high SNR wave images obtained in reasonable amount of time. This study focuses on investigating the optimal MRE driver location (apex, sternum and lateral side) and patient position (supine vs. prone) that can yield high amplitude shear waves for accurate myocardial stiffness estimation for diagnosing heart diseases.

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