Real‐time movie imaging from a single cardiac cycle by NMR

B Chapman, R Turner, RJ Ordidge… - Magnetic resonance …, 1987 - Wiley Online Library
B Chapman, R Turner, RJ Ordidge, M Doyle, M Cawley, R Coxon, P Glover, P Mansfield
Magnetic resonance in medicine, 1987Wiley Online Library
Using a 1‐m‐bore super conductive magnet at 0.1 T, whole‐body transverse images
through adult humans have been obtained at repetition times of 57 ms. The techniques used
were minor variations of echo‐planar imaging (EPI) employing large pulsed gradients to
provide complete coverage of the plane in phase space, and low‐angle RF excitation
sequences allowing rapid repetition of the experiment. In addition active magnetic screening
of the gradient coils was implemented to protect the surrounding magnet from the eddy …
Abstract
Using a 1‐m‐bore super conductive magnet at 0.1 T, whole‐body transverse images through adult humans have been obtained at repetition times of 57 ms. The techniques used were minor variations of echo‐planar imaging (EPI) employing large pulsed gradients to provide complete coverage of the plane in phase space, and low‐angle RF excitation sequences allowing rapid repetition of the experiment. In addition active magnetic screening of the gradient coils was implemented to protect the surrounding magnet from the eddy currents induced by the necessarily fast switching of the large gradient fields. © 1987 Academic Press, Inc.
Wiley Online Library
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