Atrial septal defect echocardiography sinus venosus

Atrial Septal Defect Microchapters
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Overview
Anatomy
Classification
Ostium Secundum Atrial Septal Defect
Ostium Primum Atrial Septal Defect
Sinus Venosus Atrial Septal Defect
Coronary Sinus
Patent Foramen Ovale
Common or Single Atrium
Pathophysiology
Epidemiology and Demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Eli V. Gelfand, MD; Associate Editor(s)-In-Chief: [[Priyamvada Singh|Priyamvada Singh, M.B.B.S.[[2]]; Cafer Zorkun, M.D., Ph.D. [3]; Assistant Editor(s)-In-Chief: [[Kristin Feeney|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 Sinus Venosus Defects

Characteristics of sinus venosus defects include:

• Seen best in the subcostal four-chamber view by paying special attention to the superior and posterior portions of the atria.
• Occurs at the top of the septum near the insertion of the superior vena cava.

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Trans-esophageal echocardiography showing sinus venosus type of atrial septal defect. In this type of atrial septal defect the common wall between the coronary sinus and the left atrium is not developed. A sinus venosus ASD is a type of atrial septum defect in which the defect in the septum involves the venous inflow of either the superior vena cava or the inferior vena cava.

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Unroofed coronary sinus atrial septal defect 2D and 3D Echo

Image showing echocardiographic view of sinus venosus type of atrial septal defect

Useful Links

Yale Congenital Heart Disease- ASD [5]