In TIMI Grade<unk>  thrombus, a very large thrombus with its largest dimension greater than or equal to 2 vessel diameters is present.
TIMI thrombus grade 4
TIMI thrombus grade 0
TIMI thrombus grade 5
TIMI thrombus grade 6
TIMI thrombus grade 3
TIMI thrombus grade 2
TIMI thrombus grade 1
TIMI flow grade 0