The paradox of paradoxic air embolism--PEEP, Valsalva, and patent foramen ovale. Should the sitting position be abandoned?
D004618:Embolism, Air / Q000209:etiology*; D006344:Heart Septal Defects, Atrial; D006801:Humans; D007431:Intraoperative Complications / Q000209:etiology; D011187:Posture; D012306:Risk