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What is the aorta?

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Aortic stenosis: Narrowing of the aortic valve, which causes the heart to strain to pump blood through. Rheumatic fever is the most common cause of aortic stenosis, which can cause chest pain or shortness of breath. Coarctation of the aorta: Narrowing of the aorta between its branches to the arms and those to the legs. read more

The aorta is the main artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries (the common iliac arteries). The aorta distributes oxygenated blood to all parts of the body through the systemic circulation. read more

Watch an animation of aortic valve stenosis Although some people have AS as a result of a congenital heart defect called a bicuspid aortic valve, this condition more commonly develops during aging as calcium or scarring damages the valve and restricts the amount of blood flowing through the valve. read more

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