Balloon atrial septostomy for transposition of the great vessels.
D006328:Cardiac Catheterization; D006325:Heart Atria; D006346:Heart Septum / Q000601:surgery*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008722:Methods; D014188:Transposition of Great Vessels / Q000601:surgery*