Patent foramen ovale differential diagnosis


 * Associate Editors-In-Chief: Priyamvada Singh, M.B.B.S. [mailto:psingh@perfuse.org]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [mailto:kfeeney@perfuse.org]

Overview
Patent foramen ovale is an inter-atrial communication. However, it is not classified as an atrial septal defect as no septal tissue is missing in them. It should be differentiated from atrial septal defect

Differential diagnosis

 * Ostium secundum atrial septal defect
 * Ostium primum atrial septal defect
 * Coronary sinus
 * Sinus venosus atrial septal defect
 * Partial anomalous pulmonary venous connection
 * Total anomalous pulmonary venous connection