Angiography and Interventions SVG (saphenous vein graft) to obtuse marginal (OM) branch Johnson Francis | November 13, 2016 SVG (saphenous vein graft) to obtuse marginal (OM) branch Coronary angiogram in a post coronary artery bypass (CABG) person. Sternal wires indicate the post CABG status. Catheter tip Read More