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Table 2 Measured residual longitudinal magnetization (MZ/M0) at 3 T in 3 human subjects

From: Saturation pulse design for quantitative myocardial T1 mapping

   Residual longitudinal magnetization [%]
  \( {\widehat{B}}_1 \) scale factor 90°-90°-90° 1.5 T 4-pulse train 3 T 6-pulse train Reference BIR4-90 Optimized BIR4-90
LV myocardium 0.87 ± 0.21 3.5 ± 2.3 3.4 ± 0.5 1.8 ± 0.3 6.1 ± 3.1 2.8 ± 1.1
LV blood pool 0.94 ± 0.19 0.5 ± 1.1 2.1 ± 1.7 0.6 ± 0.1 2.5 ± 2.3 0.8 ± 0.3
RV blood pool 0.86 ± 0.12 7.5 ± 7.5 0.8 ± 0.5 0.6 ± 0.1 10.6 ± 7.5 2.3 ± 2.2