Aortic isthmus

Aortic isthmus

Aortic isthmus

Aortic isthmus is the area between

[A] Brachiocephalic trunk and Left subclavian artery
[B] Left common carotid artery and Left subclavian artery
[C] Left subclavian artery and ligamentum arteriosum.
[D] Aortic Root to and Brachiocephalic trunk

Aortic isthmus

Left subclavian artery and a PDA or ligamentum arteriosum.

Aorta Anatomy

OpenStax College, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons

Aortic isthmus is the segment of aorta located between the origin of the left subclavian artery and the connection of the ductus arteriosus to the descending aorta.

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