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contentuptodate· Content· item f38_4_38977

©2013 UpToDate ® Print Email Two-dimensional transthoracic echocardiogram (2D TTE) from the parasternal long and short axis views showing the descending thoracic aorta The descending thoracic aorta can be seen from the parasternal long axis view. Both the long (panel A) and short axis (panel B) precordial views show the descending thoracic aorta (TAo). Note that the short axis imaging plane demonstrates the long axis of the TAo. LV: left ventricle; RA: right atrium; LA: left atrium; Ao R: aortic root.