 Upon injection of the left coronary artery, we see what I believe is the dye enters probably directly into the left ventricle, but via fistula excluding the coronary sinus, and we get a ventriculogram performed. 
Upon injection of the left coronary artery , we see what I believe is the dye enters probably directly into the left ventricle , but via fistula excluding the coronary sinus , and we get a ventriculogram performed .