Aortic isthmus
Updates to Article Attributes
Body
was changed:
The aortic isthmus is the part of the aorta just distal to the origin of the left subclavian artery at the site of the ductus arteriosus.
This portion of the aorta is partly constricted in the fetus because of the lack of flow within the aortic sac and ascending aorta. It marks the partial separation of fetal blood flow derived from the right and left ventricles.
Related pathology
- most common anatomical area of traumatic thoracic aortic injuries in patients surviving long enough to be imaged 1
. - the site of ductus diverticulum which is an anatomical variant of the aorta that should be differentiated from an aortic pseudoaneurysm in the setting of trauma 2
.
-<li>most common anatomical area of <a href="/articles/thoracic-aortic-injury">traumatic thoracic aortic injuries</a> in patients surviving long enough to be imaged <sup>1</sup>.</li>-<li>the site of <a href="/articles/ductus-diverticulum">ductus diverticulum</a> which is an anatomical variant of the aorta that should be differentiated from an <a href="/articles/aortic-pseudoaneurysm-versus-ductus-diverticulum">aortic pseudoaneurysm</a> in the setting of trauma <sup>2</sup>.</li>- +<li>most common anatomical area of <a href="/articles/thoracic-aortic-injury">traumatic thoracic aortic injuries</a> in patients surviving long enough to be imaged <sup>1</sup>
- +</li>
- +<li>the site of <a href="/articles/ductus-diverticulum">ductus diverticulum</a> which is an anatomical variant of the aorta that should be differentiated from an <a href="/articles/aortic-pseudoaneurysm-versus-ductus-diverticulum">aortic pseudoaneurysm</a> in the setting of trauma <sup>2</sup>
- +</li>
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