Patent foramen ovale as a cause of platypnea orthodeoxia syndrome presenting in pregnancy: A case report and review of the literature Add to Collection Case Reports L Dewick, J Ashworth - 2016 93 Chapter : Section3 Journal Year : 2016 ..... Keywords : ["platypnea orthodeoxia syndrome present", "patent foraman ovale", "case report", "review", "pregnancy", "literature", "cause"]