Abstract
Platypnea and orthodeoxia describe a syndrome of dyspnea induced by upright posture, associated with arterial hypoxemia, which is subsequently relieved by recumbency. Platypnea-orthodexia is a rare clinical syndrome which can arise in protean clinical settings. Diagnosis requires a heightened sense of clinical suspicion with a careful assessment of the underlying cause. There is a wide variety of potential causes. Correction of the underlying problem with device closure, medical therapy, or rarely with surgery often leads to a resolution of symptoms.
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Ali, O., Feldman, T. (2015). Orthodeoxia and Platypnea. In: Amin, Z., Tobis, J., Sievert, H., Carroll, J. (eds) Patent Foramen Ovale. Springer, London. https://doi.org/10.1007/978-1-4471-4987-3_13
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DOI: https://doi.org/10.1007/978-1-4471-4987-3_13
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