Bokhari, Syed S I Orthodeoxia platypnea syndrome in a patient with lipomatous hypertrophy of the interatrial septum due to long-term steroid use. [electronic resource] - Chest Feb 2011 - 443-445 p. digital Publication Type: Case Reports; Journal Article ISSN: 1931-3543 Standard No.: 10.1378/chest.10-0874 doi Subjects--Topical Terms: AgedAtrial Septum--physiopathologyDiagnosis, DifferentialDyspnea--diagnosisEchocardiographyForamen Ovale, Patent--complicationsGlucocorticoids--adverse effectsHumansLipomatosis--complicationsMalePosture--physiologyPrednisone--adverse effectsRespiratory Function TestsSyndrome