Cardiac Gating Calibration by the MR Septal Scout
Garry Liu 1 and Graham A Wright 2
Sunnybrook Health Sciences Centre, Toronto,
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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