Nitrous oxide method for detecting small intracardiac shunts.
D006321:Heart; D006330:Heart Defects, Congenital; D006343:Heart Septal Defects; D006346:Heart Septum / Q000002:abnormalities*; D006801:Humans; D009609:Nitrous Oxide; D014057:Tomography, X-Ray Computed
D009609:Nitrous Oxide
CARDIAC SEPTUM/abnormalities; NITROUS OXIDE