Balloon occlusion angiography.
D000792:Angiography / Q000379:methods*; D001027:Aortography / Q000379:methods; D006328:Cardiac Catheterization / Q000295:instrumentation*; D004374:Ductus Arteriosus, Patent / Q000000981:diagnostic imaging; D006346:Heart Septum / Q000000981:diagnostic imaging; D006801:Humans; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011667:Pulmonary Veins / Q000002:abnormalities