In TIMI Grade<unk> <unk> , a recent total occlusion is present. 
The characteristics of a recent total occlusion are:
There is often a beak like appearance of the occlusion. Chronic occlusions tend to have a more abrupt or straight appearance.
The clot has not propagated backward to the most distal branch.
Some collaterals may be present, but usually there are not extensive collaterals.
TIMI thrombus grade 5
TIMI thrombus grade 0
TIMI thrombus grade 6
TIMI thrombus grade 3
TIMI thrombus grade 4
TIMI thrombus grade 2
TIMI thrombus grade 1
TIMI flow grade 0