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Figure 14 | Journal of Cardiovascular Magnetic Resonance

Figure 14

From: Comparison of diffusion tensor imaging by cardiovascular magnetic resonance and gadolinium enhanced 3D image intensity approaches to investigation of structural anisotropy in explanted rat hearts

Figure 14

Quantitative comparison of ST and DTI putative myocyte angles of the 5 rat hearts. A - The transmural profiles of the putative myocyte helix angle (α’). B - The transmural pair-wise difference plots for the putative myocyte helix angle |α’e 1 DTI - α’v 1 ST|. C - The transmural profiles for the putative myocyte transverse angle (α”). D - The transmural pair-wise difference plots for the putative myocyte transverse angle |α”e 1 DTI – α”v 1 ST|. E - The distribution of the putative myocyte helix angles (α’). F - The distribution of the putative myocyte transverse angles (α”). DTI: Scan #1, 6-direction, b = 1000 s/mm2; ST: Scan #8, DTW = 3, STW = 3. FLASH: fast low angle shot; ST: structure tensor of FLASH data; DTI: diffusion tensor magnetic resonance imaging; DTW: derivative template width STW: smoothing template width. The symbols for vectors and derived angles are defined in Table 2.

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