LA8E.0 Patent oval foramen

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

A congenital cardiovascular finding in which there is a small interatrial communication (or potential communication) confined to the region of the oval fossa (fossa ovalis) characterised by no deficiency of the primary atrial septum (septum primum) and a normal limbus with no deficiency of the septum secundum (superior interatrial fold).

synonyms

• Patent oval foramen
• Patent foramen ovale
• PFO - [patent foramen ovale]
• open foramen ovale
• open oval foramen
• persistent foramen ovale

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