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Interatrial communications (atrial septal defects)

Subtypes of interatrial communications. A: sinus venosus defect; B: ostium secundum defect; C: ostium primum defect; D: unroofed coronary sinus defect

Mayo Clinic Foundation

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Interatrial communications (atrial septal defects)

Parasternal short-axis echocardiographic image demonstrating right ventricular enlargement in a patient with an interatrial communication. LV: left ventricle; RV: right ventricle

Image courtesy of Patrick W. O'Leary, MD

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Interatrial communications (atrial septal defects)

Trans-oesophageal echocardiographic image of an interatrial communication occluder device (arrow). LA: left atrium; RA: right atrium; SVC: superior vena cava

Image courtesy of Patrick W. O'Leary, MD

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2

Interatrial communications (atrial septal defects)

Apical 4-chamber echocardiographic image demonstrating right ventricular enlargement in a patient with an interatrial communication. L: lateral; LV: left ventricle; RA: right atrium; RV: right ventricle; S: superior

Image courtesy of Patrick W. O'Leary, MD

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3

Interatrial communications (atrial septal defects)

Apical 4-chamber echocardiographic image of an ostium primum defect (arrows). LA: left atrium; LV: left ventricle; RA: right atrium

Image courtesy of Patrick W. O'Leary, MD

See this image in context in the following section/s:

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