Balloon embolization during atrial septostomy.
D006328:Cardiac Catheterization / Q000009:adverse effects*; D004617:Embolism / Q000209:etiology*; D006330:Heart Defects, Congenital / Q000601:surgery; D006345:Heart Septal Defects, Ventricular / Q000601:surgery; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D014188:Transposition of Great Vessels / Q000601:surgery*