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Aortic zones for REBOA placement with overlying surface landmarks. Zone 1: descending aorta above the celiac artery. Zone 2: Abdominal aorta between celiac artery and lowest renal artery. Zone 3: Abdominal aorta between lowest renal artery and aortic bifurcation. Zone 1 surface landmark is the xiphoid process. Zone 3 surface landmark is the umbilicus.
Image courtesy of Visible Body (www.visiblebody.com).
