Medina classification assigns a binary value (1,0) to the three components of a coronary bifurcation depending on whether have > (1) or < (0) 50% lesion.
Bifurcation lesions have wide range of variations in plaque burden, plaque location, site of bifurcation, angle between branches and diameter of branches.
Better to use an undersized stent than an oversized stent for SVG intervention. Distal overhang of the stent is required to reduce distal embolization.
IABP is a useful tool while performing unprotected left main stenting. Unprotected left main is one which is not protected by a patent graft or collaterals.