Flap-like opening between the atrial septa primum and secundum
Occurs at fossa<unk> s
Persists beyond 1 year of age
Inter-atrial communication allows right-to-left cardiac shunting
Most<unk> s with isolated<unk>  are asymptomatic
But there is increasing evidence that<unk>  is the culprit in paradoxical embolic events
But there is increasing evidence that<unk>  is the culprit in paradoxical embolic events
Patent foramen ovale
Intrapericardial foreign body
Left ventricular aneurysm
Systemic venous embolism
Left ventricular pseudoaneurysm
Right heart and pulmonary artery embolism
Anomalous coronary arteries
Pulmonary vein embolism