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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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introductionstatpearls· Introduction· item NBK556061

Proper circulation of oxygenated blood is such an incredibly important function of the human body that it is included in the “ABCDE’s” (airway, breathing, circulation, disability, and exposure) of the primary survey conducted in the emergent clinical setting.[1] Adequate circulation throughout the body is crucial for supplying oxygenated blood to vital organs. Some of the most important conduits of blood flow are the carotid arteries, which consist of the common carotids, external carotids, and the internal carotids. The internal carotid artery, being one of the most clinically relevant and vital arteries, supplies oxygenated blood to crucial structures such as the brain and eyes. The internal carotid arteries are branches of the common carotid arteries that bifurcate into the internal and external carotids at the level of the carotid sinus.[2] After this bifurcation, the internal carotids traverse through the base of the skull to reach the vital organs that they supply.