Fig. 1.
Pre-contrast modified Look-Locker (LL) inversion recovery (MOLLI) pulse sequence scheme. In each LL scheme, images are read out after each inversion pulse during the following several heartbeats (acquisition heartbeats). Pauses (recovery heartbeats) in between the pulse experiments allow undisturbed T1 signal recovery. TI inversion time, ΔTI interval between the inversion pulse and first image acquisition