the described heart catheterization technique with the swan-ganz-flow-directed catheter allows the catheterization of the aorta or , in transposition of the great arteries , the pulmonary artery , from the left ventricle via a venous entrance form the saphenous vein if an interatrial connection exists ( patent foramen ovale , atrial septal defect ) .
C0016522
patent
C0018817
atrial septal defect