<unk> <unk>  is the decline in TIMI<unk>  from TIMI<unk>  3 to TIMI<unk>  2 during a PCI procedure.
PCI complications: slow flow
PCI complications: dissection
PCI complications: loss of side branch
PCI complications: peri procedure bleeding
PCI complications: vessel perforation
PCI complications: distal embolization
PCI complications: coronary vasospasm
PCI complications: multiple complications