Atrial septal defect echocardiography sinus venosus
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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 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.
