echo planar imaging
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echo planar imagingAn MRI term for the utilisation of rapid gradient reversal pulses of the readout gradient, resulting in a series of gradient echo signals to reduce fast dephasing or signal loss.
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echo planar imagingAbbreviation: EPI
A fast magnetic resonance imaging technique in which an image is acquired after a single radiofrequency excitation.
See also: imaging
Medical Dictionary, © 2009 Farlex and Partners