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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f41_45_42719

©2013 UpToDate ® Print Email Atrial septal defect Apical four chamber view showing a defect in the secundum atrial septum (red arrow). The right heart chambers (RV and RA) are enlarged, demonstrating right heart volume overload from left-to-right shunting at atrial level. RA: right atrium; RV: right ventricle; LA: left atrium; LV: left ventricle.