 Following this, the catheter was removed, the sheath was flushed and a 6-French JL4 diagnostic catheter was the advanced over the guidewire and the left main coronary artery was cannulated and selective angiogram was obtained in orthogonal views. 
Following this , the catheter was removed , the sheath was flushed and a 6 - French JL4 diagnostic catheter was the advanced over the guidewire and the left main coronary artery was cannulated and selective angiogram was obtained in orthogonal views .