gradient echo pulse sequence

gra·di·ent ech·o pulse se·quence

(grā'dē-ĕnt ek'ō pŭls sē'kwĕns)
magnetic resonance imaging Modality that uses a gradient to regenerate an echo.
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8) Use of gradient echo pulse sequences allows confirmation of the presence of hemosiderin, which appears as a prominent "Blooming" of low signal intensity due to magnetic susceptibility artefact.