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Fig. 4 | Journal of Cardiovascular Magnetic Resonance

Fig. 4

From: Systolic ShMOLLI myocardial T1-mapping for improved robustness to partial-volume effects and applications in tachyarrhythmias

Fig. 4

Effect of dilating and eroding manually drawn contours by 1–3 pixels (px) on myocardial T1 (a) and intrasegmental T1 SD (b) in representative diastolic (TD 340 ms, normal readout) and systolic (TD 50 ms, normal readout) acquisitions (median ± IQR). Note that dependencies generally decrease with any degree of myocardial volume erosion or with centreline estimates but become amplified when the myocardial outline is inflated, which most affects the thinner myocardium in the diastolic phases. This suggests that partial-volume effects in thinner myocardial segments are responsible for the relationship between TD and myocardial T1 and T1 SD

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