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US 2020/0138328 A1Published application
Magnetic resonance imaging
AssigneeOxford University Innovation Limited
InventorsElizabeth Mary TUNNICLIFFE, Aaron Timothy HESS, Betty RAMAN
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Abstract
The present invention relates generally to medical imaging and, more particularly, relates to systems and methods for obtaining magnetic resonance (MR) images of tissues and organs (particularly of the heart) or parts thereof.
Claims20
A computer-implemented method for obtaining a heart-rate-compensated magnetic resonance (MR) image of all or part of a tissue or organ of a subject, the method comprising the steps:
- (a) acquiring, with an MR system, an MR data set from all or part of a tissue or organ of a subject using a pulse sequence, wherein the pulse sequence comprises at least two interleaved components:
- (i) a first component, wherein the first component consists of a T2- or T2*-weighted readout, and
- (ii) a second component, wherein the second component is a low flip angle readout without additional magnetisation preparation;
- (b) generating at least two image datasets from the MR dataset:
- a first image dataset derived from the signals obtained from the first component of the pulse sequence, and
- a second image dataset derived from the signals obtained from the second component of the pulse sequence;
- (c) normalising the first image dataset using the second image dataset as a reference dataset to produce a third image dataset;
- and optionally
- (d) displaying, from the third image data set, a heart-rate-compensated MR image of all or part of the tissue or organ.
6 more elements
Dependencies are inferred from the claim text.