Figure 1

The left figure shows the late gadolinium enhancement midventricular short axis slice of an acute phase MI, with segments 5-7 defined as IZ (including microvascular obstruction), segments 4 and 8 as BZ and the remaining segments as RM. The right figure shows the corresponding T2-weighted image, with segment 4 defined as BZ-inAAR, and segment 8 as BZ-outAAR.