Platypnea-Orthodeoxia Syndrome: To Shunt or Not to Shunt, That is the Question
Klein MR, Kiefer TL, Velazquez EJ. Platypnea-Orthodeoxia Syndrome: To Shunt or Not to Shunt, That is the Question. Texas Heart Institute Journal 2016, 43: 264-6. PMID: 27303248, PMCID: PMC4894711, DOI: 10.14503/thij-15-5280.Peer-Reviewed Original ResearchConceptsRight atrial pressurePatent foramenAtrial pressureLow right atrial pressureRight-sided heart catheterizationFirst-line therapyPlatypnea-orthodeoxia syndromePercutaneous patent foramenPulmonary arteriovenous malformationsUpright positionCardiac causesHeart catheterizationTransient hypoxemiaTransthoracic echocardiogramTransthoracic echocardiographyLeft shuntingSyncopal episodesPercutaneous closureTransesophageal echocardiogramEmergency departmentOxygen supplementationIntracardiac shuntingArteriovenous malformationsChest radiographsOxygen saturation