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Patent Foramen Ovale (PFO)

Anesthesia Implications

Clinically reviewed by anesthesia providers · Updated

Avoid IV bubblesStroke RiskAvoid N2OAvoid PEEPAvoid HypoxiaAvoid HypercarbiaAvoid HypoventilationAvoid AcidosisAvoid Pulmonary HypertensionArrhythmiasParadoxical EmbolismRight-to-Left ShuntVenous Air Embolism

Pathophysiology

The foramen ovale is a flap-like tunnel between the septum primum and septum secundum at the fossa ovalis. In utero it carries oxygenated placental blood from the right atrium to the left, bypassing...

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