Fig. 3From: Saturation-pulse prepared heart-rate independent inversion-recovery (SAPPHIRE) biventricular T1 mapping: inter-field strength, head-to-head comparison of diastolic, systolic and dark-blood measurementsSequence diagrams of the SAPPHIRE bright blood diastolic (a) and systolic (b) T1 mapping variants. The image acquisition window in systolic SAPPHIRE is shorter compared to diastole. ECG, Electrocardiogram; INV, Inversion pulse. Other abbreviations as in Fig. 1Back to article page