Atrial septal defect ostium secundum echocardiography
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Eli V. Gelfand, MD; Keri Shafer, M.D. [2];
Associate Editors-In-Chief: Cafer Zorkun, M.D., Ph.D. [3]; Priyamvada Singh, MBBS [[4]]
Assistant Editor-In-Chief: Kristin Feeney, B.S. [[5]]
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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In this echocardiogram, a large secundum ASD is seen in the middle of the atrial septal wall.
References
Useful Links
Yale Congenital Heart Disease- ASD [6] Emedicine Sinus Venosus Defect