TIMI Grade<unk>  flow is defined as no perfusion. There is no antegrade flow beyond the point of occlusion.
TIMI flow grade 0
TIMI flow grade 4
TIMI flow grade 3
TIMI flow grade 1
TIMI flow grade 2
TIMI thrombus grade 0
TIMI thrombus grade 5
TIMI thrombus grade 3