title: Bedside balloon atrial septostomy using echocardiographic monitoring.
mesh_terms: D000800:Angioplasty, Balloon; D004200:Diseases in Twins / Q000175:diagnosis; D004452:Echocardiography / Q000379:methods*; D006330:Heart Defects, Congenital / Q000628:therapy*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D014188:Transposition of Great Vessels / Q000175:diagnosis