Balloon occlusion of a persistent left superior vena cava in the preoperative evaluation of systemic venous return.
D000328:Adult; D001795:Blood Pressure Determination; D016121:Brachiocephalic Veins / Q000002:abnormalities; D006328:Cardiac Catheterization; D002404:Catheterization; D002648:Child; D003097:Collateral Circulation; D005260:Female; D006330:Heart Defects, Congenital / Q000150:complications*; D006344:Heart Septal Defects, Atrial / Q000150:complications; D006801:Humans; D007223:Infant; D008297:Male; D008722:Methods; D013350:Subclavian Vein; D013771:Tetralogy of Fallot / Q000150:complications; D014683:Vena Cava, Superior / Q000002:abnormalities*; D014689:Venous Insufficiency / Q000175:diagnosis*; D014690:Venous Pressure