patent foramen ovale (PFO)

Platypnoea-orthodeoxia syndrome in COVID-19 patient leads to discovery of a transient cardiac condition

21 maart 2023

Abstract Platypnoea-orthodeoxia syndrome (POS) is a descriptive diagnosis of dyspnoea and arterial desaturation when changing from supine to upright position. It has many possible underlying conditions. We report a case of POS due to a right-to-left shunt which became apparent during a hospital admission with COVID-19 pneumonitis. Surprisingly, this shunt…