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Figure 1 Scatter plots of cardiac magnetic resonance imaging (MRI) and electrocardiogram (ECG)-gated single-photon emission computed tomography (SPECT) measurements in subjects who underwent imaging with both modalities. (A) Left ventricular (LV) end-diastolic volume (EDV) in ml; (B) LV end-systolic volume (ESV) in ml; (C) LV ejection fraction (EF). Patients in the two publications by Tadamura et al. (10,11) are shown as belonging to the same study. End-diastolic volume and ESV data were not provided for individual subjects in Stolfuss et al. (8) and could only be discerned for subjects with substantial discrepancies between cardiac MRI and ECG-gated SPECT in Mochizuki et al. (6) (not shown here, but included in the calculations of the proportion with discrepancies). Faber pertains to reference 9, while FaberB pertains to reference 14.