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 6 Chapter : Section3, Section4 Journal Year : 2016 ..... Keywords : ['platypnea orthodeoxia syndrome present', 'patent foraman ovale', 'case report', 'review', 'pregnancy', 'literature', 'cause']