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Transesophageal echocardiogram of an atrial septal defect

Transesophageal echocardiogram of an atrial septal defect
The transesophageal echocardiogram shows a large defect in the mid-interatrial septum compatible with an ostium secundum atrial septal defect (ASD).
Courtesy of Thomas Binder, MD. University of Vienna.
Graphic 79348 Version 5.0