title: Paradoxical embolism.
authors.forename: T O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D000328:Adult; D006328:Cardiac Catheterization; D002648:Child; D004452:Echocardiography; D004617:Embolism / Q000175:diagnosis*; D006344:Heart Septal Defects, Atrial / Q000150:complications*; D006801:Humans; D014636:Valsalva Maneuver