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Figure 2 | Journal of Cardiovascular Magnetic Resonance

Figure 2

From: Gradient Spin Echo (GraSE) imaging for fast myocardial T2 mapping

Figure 2

Results of the six-echo GraSE sequence with corresponding T2 maps for a healthy 37-year-old male. Each row shows a single slice (from top to bottom: basal, mid-ventricular, apical slice) with echo-times ranging from 23.6 ms to 82.6 ms (from left to right). Data were acquired in one breath-hold per slice (12.8 s). No motion correction was applied. Color-coded T2 maps are shown in the last column and were generated based on a maximum likelihood estimation accounting for the non-Gaussian distribution of noise in magnitude images. Global myocardial T2 relaxation time in this subject was 51.6 ± 3.3 ms (basal anterior/anteroseptal/inferoseptal/inferior/inferolateral/anterolateral: 50.1/51.6/47.6/47.7/45.0/52.9 ms; midventricular anterior/anteroseptal/inferoseptal/inferior/inferolateral/anterolateral: 55.5/57.1/50.2/50.2/54.6/49.2 ms; apical anterior/septal/inferior/lateral: 54.7/54.8/49.4/54.9 ms). To ease comparison with clinical cases (see Figure 5), color-settings are kept equal throughout the article. Scale bars equal 20 mm.

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