title: Sixty-eight-year-old woman with intermittent hypoxemia.
authors.affiliation: Texas Heart Institute, Houston, Tex., USA.
authors.forename: W E
authors.initials: WE
authors.lastname: Dear
authors.forename: P
authors.initials: P
authors.lastname: Chen
authors.forename: E
authors.initials: E
authors.lastname: Barasch
authors.forename: H V
authors.initials: HV
authors.lastname: Anderson
authors.forename: A T
authors.initials: AT
authors.lastname: Varughese
authors.forename: M P
authors.initials: MP
authors.lastname: Macris
mesh_terms: D000368:Aged; D006328:Cardiac Catheterization; D017548:Echocardiography, Transesophageal; D004562:Electrocardiography; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000150:complications / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D006801:Humans; D000860:Hypoxia / Q000209:etiology*; D008168:Lung / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging