Platypnea-orthodeoxia syndrome
Platypnea-orthodeoxia syndrome
Platypnea-orthodeoxia syndrome
Platypnea–orthodeoxia syndrome distinguished by breathlessness that is exacerbated by
[A] Rest
[B] Lying down
[C] Standing up
[D] Exercise
Most common cause of Platypnea-orthodeoxia syndrome?
[A] PFO
[B] ASD
[C] VSD
[D] PDA
Platypnea-orthodeoxia syndrome
Platypnea-orthodeoxia syndrome – pathognomonic picture
Orthostatic dyspnea coupled with a fall in oxygen saturation that disappears in the recumbent position
- Dyspnea and/ or hypoxemia that arises in the upright position a
- Also present in the sitting position.
- These symptoms are usually attenuated or disappear within a few minutes by assuming a lying position
Platypnea-orthodeoxia syndrome
Platypnea-orthodeoxia syndrome
Platypnea–orthodeoxia syndrome – breathlessness that is alleviated when lying down and is exacerbated when sitting or standing up
Platypnea-orthodeoxia syndrome causes
- Intracardiac shunt
- Patent foramen ovale (PFO)
- Atrial septal defect (ASD)
- Atrial septal aneurysm (ASA) with septal fenestration
- Pulmonary parenchymal ventilation/perfusion mismatch
- Pulmonary arteriovenous shunts
Gerbode defect
Gerbode defect is defined as abnormal shunting between the left ventricle and right atrium resulting from either a congenital defect or prior cardiac insults
