TY - JOUR T1 - Artefactual occlusion of the left subclavian artery during graft angiography JF - Heart JO - Heart SP - 1335 LP - 1335 DO - 10.1136/heart.89.11.1335-a VL - 89 IS - 11 AU - N E J West AU - A J Dixon AU - P N Ruygrok Y1 - 2003/11/01 UR - http://heart.bmj.com/content/89/11/1335.2.abstract N2 - A 67 year old man, who had undergone coronary artery bypass graft surgery two years previously, represented with crescendo angina. Repeat diagnostic coronary and graft angiography demonstrated severe native coronary disease with a patent radial artery graft to the posterior descending artery and a severely … ER -