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Patent foramen ovale
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Patent foramen ovale

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Contributors: Ryan Hoefen MD, PhD
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Synopsis

A persistent opening in the atrial septum after birth. While a normal part of fetal circulation, the foramen ovale generally closes once the newborn begins breathing, and the pressure in the left atrium exceeds that of the right atrium. While generally asymptomatic, it can lead to the passage of clots from the venous circulation into the arterial circulation, resulting in strokes and other embolic phenomenon.

Codes

ICD10CM:
Q21.1 – Atrial septal defect

SNOMEDCT:
204317008 – Patent foramen ovale

Differential Diagnosis & Pitfalls

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Last Updated: 12/05/2016
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Patent foramen ovale
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Patent foramen ovale
Copyright © 2018 VisualDx®. All rights reserved.