Experience with the foreign gas method for the detection of left-to-right intracardiac shunts.
D006328:Cardiac Catheterization; D006321:Heart; D006330:Heart Defects, Congenital; D006346:Heart Septum; D009609:Nitrous Oxide
D009609:Nitrous Oxide
HEART CATHETERIZATION; HEART DEFECTS, CONGENITAL; HEART SEPTUM; NITROUS OXIDE