title: Impending paradoxical embolism.
authors.forename: T O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D004452:Echocardiography / Q000379:methods; D017548:Echocardiography, Transesophageal; D019320:Embolism, Paradoxical / Q000000981:diagnostic imaging*; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging*; D006801:Humans