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Fig. 1 | Journal of Cardiovascular Magnetic Resonance

Fig. 1

From: T1-refBlochi: high resolution 3D post-contrast T1 myocardial mapping based on a single 3D late gadolinium enhancement volume, Bloch equations, and a reference T1

Fig. 1

a The 3D LGE image is composed of weightings due to the coil, proton density (PD), and T2*, in addition to the predominant T1 weighting, f(T1). b The signal vs. T1 curve plots the steady-state Mz, based on the accurate model in Eq. 3 (blue and red); the approximated model of Eq. 1 (green dots) is also shown. N (number of views per segment) varies from 1 (blue) to 54 (red) to illustrate the difference between the accurate and the approximated models. Other parameters were: TR /α/TI/RR = 5.0 ms/15°/320 ms/950 ms. c The T1-refBlochi method removes coil-sensitivity with image processing, and assumes that T2* and PD weightings are constant. Then the underlying T1-weighting can be modeled using exact Bloch equations, and a T1 map can be extracted with a single calibration point on the T1 vs. signal curve—the reference T1

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