Figure 2

Example of raw images and corresponding T1 maps acquired in the mid left ventricular short axis plane of a healthy volunteer without (row a) and with (row b) an ICD taped near the left shoulder and of a patient (row c) with an ICD, using the original FLASH-MOLLI (columns 1 and 3) and the wideband FLASH-MOLLI (columns 2 and 4). T1 values of pixels where the data did not fit well (R² < 0.95) were set to zero. The raw images acquired using FLASH-MOLLI showed severe dark band artifacts within the myocardium (blue arrow, column 1), which occur at the boundary of inverted and non-inverted regions despite using a FLASH readout. In contrast, the raw images acquired using wideband FLASH-MOLLI (column 2) are without dark band artifacts, resulting in more accurate and homogenous T1 estimation (column 4).