Atrial septal defect ostium secundum echocardiography

Atrial Septal Defect Microchapters
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Ostium Secundum Atrial Septal Defect
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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

Echocardiography may be used as a diagnostic tool in the evaluation of an atrial septal defect. Common malformations of the septal wall include: ostium primum, ostium secundum, sinus venosus, and patent foramen ovale. Uncommonly, a defect may occur in the coronary sinus. Specific characteristics exist in echocardiography to identify these classifications of atrial septal defects.

Echocardiography and Ostium Secundum Defects

Characteristics of ostium secundum defects include:

• Seen best on subcostal 4-chamber view.
• Occurs in the middle of the septum in the area of the fossa ovalis.
• Most common type of ASD.

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Useful Links

Yale Congenital Heart Disease- ASD [5]