2024-11-0920211047-951110.1017/S10479511210013962-s2.0-85104499599http://dx.doi.org/10.1017/S1047951121001396https://hdl.handle.net/20.500.14288/9952Platypnea-orthodeoxia syndrome is a rare clinical entity characterised by positional dyspnoea and arterial desaturation while in the upright position, the symptoms generally occurring in adults. We describe a 12-year-old girl diagnosed with platypnea-orthodeoxia syndrome associated with patent foramen ovale. the symptoms resolved following percutaneous patent foramen ovale closure.CardiacCardiovascular systemsPediatricsPlatypnea-orthodeoxia syndrome in a child: relief of symptoms after transcatheter closure of patent foramen ovaleJournal Article1467-1107840630100030Q41639