title: Crowded atrial septum.
authors.forename: Bernhard
authors.initials: B
authors.lastname: Meier
mesh_terms: D021721:Balloon Occlusion / Q000009:adverse effects / Q000295:instrumentation*; D006328:Cardiac Catheterization; D003326:Coronary Circulation; D018618:Echocardiography, Doppler, Color; D017548:Echocardiography, Transesophageal; D004867:Equipment Design; D006325:Heart Atria / Q000000981:diagnostic imaging / Q000648:ultrastructure; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000628:therapy*; D006801:Humans; D011859:Radiography; D013997:Time Factors; D016896:Treatment Outcome; D018084:Ultrasonography, Interventional / Q000379:methods*