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Abstract #3880

Cardiac Gating Calibration by the MR Septal Scout

Garry Liu 1 and Graham A Wright 2

1 Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada, 2 Sunnybrook Health Sciences Centre, Ontario, Canada

A high temporal-resolution MRI technique, the Septal Scout, was developed and used to measure the long-axis motion of the interventricular septum for the purpose of determining, with greater accuracy, quiescent cardiac imaging windows. The Septal Scout, compared with cine-SSFP in a healthy volunteer study produced more accurate cardiac gating windows and obtained sharper coronary artery images during single breath-hold non-contrast-enhanced coronary MR angiography.

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