title: Positional right-to-left shunting.
authors.forename: M J
authors.initials: MJ
authors.lastname: Sorrentino
mesh_terms: D004417:Dyspnea / Q000503:physiopathology; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology*; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D011187:Posture