echo planar imaging


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echo planar imaging (EPI)

a fast magnetic resonance imaging mode.

echo planar imaging

An 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.

echo planar imaging

Abbreviation: EPI
A fast magnetic resonance imaging technique in which an image is acquired after a single radiofrequency excitation.
See also: imaging