title: Eustachian valve, patent foramen ovale and paradoxical embolism.
authors.forename: Tsung O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D018618:Echocardiography, Doppler, Color; D017548:Echocardiography, Transesophageal; D019320:Embolism, Paradoxical / Q000000981:diagnostic imaging*; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging*; D006801:Humans; D012680:Sensitivity and Specificity