Atrial septal defect ostium secundum

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Ostium Secundum Atrial Septal Defect
Ostium Primum Atrial Septal Defect
Sinus Venosus Atrial Septal Defect
Coronary Sinus
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editors-In-Chief: Priyamvada Singh, M.B.B.S. [[2]]; Cafer Zorkun, M.D., Ph.D. [3]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [[4]]

Overview

During fetal development, the septal wall may fail to fuse causing an atrial septal defect to arise. An ostium secundum atrial septal defect is one such type of malformation arising from the irregular development of the foramen ovale, septum secundum or septum primum. It is the most common type of atrial septal defect.

Anatomy of an Ostium Secundum Defect

Echocardiography and Ostium Secundum Defects

Indications for surgical repair

Medical therapy

Percutaneous closure

Surgical closure

Video showing surgical repair of ostium secundum and the integration of fluoroscopy and 3D TEE

Video showing surgical repair of ostium secundum defects

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