what is aortic arch

Aortic arch - WikipediaFOLLOW-UP " Fellowships " Conferences " Medical studentsMaurice Galante Lecture SeriesAcademic AffairsWriting " Publishing Resources Arctic Archae Disease The aorta is the largest artery in the body. It runs from the heart, through the chest and to the abdomen. The aortic conditions of arc are anomalies in the structure of the arteries that branch in the upper part of the aorta. These anomalies can reduce blood flow to vital organs. Aortic bow disease may result from changes in blood pressure, clots, traumas, congenital disorder (one that is present from birth), or Takayasu arteritis, an autoimmune disorder that inflates the aorta and pulmonary artery (the main artery of the lung). Most Takayasu affects Asian women between 10 and 30 years. Arc aortic conditions eventually block the blood vessels that branch out of the aorta, leading to lower blood flow to the areas of the body. The narrowing can reduce the flow of blood, and the weakening can lead to the formation of an aneurysm, or abnormal lump, on the wall of the artery. Aneurysms are a condition that threatens life because they can break. Atherosclerosis, or hardening of the arteries, is the most common cause of aortic arctic arc disease. Signs and symptomsThe symptoms depend on the stage of the disease. In the first phase, blood vessels are inflamed. Later, during the occlusive phase, blood vessels are narrowed. In the first phase, about half of all patients have one or more of the following symptoms:During the occlusive phase, symptoms include: Serious conditions may occur due to the occlusive phase of the disease. They include hypertension, kidney failure (quidney), angina (large pain), congestive heart failure, transient ischemic attack (TIA or mini-troke) and stroke. Risk Factors In the United States, the estimated incidence of the condition is 2.6 cases per 1 million Americans. In Asia the incidence is much higher. The cause of the aortic conditions of the arch is unclear. The most at risk are women and people of Asian descent. Diagnosis It is difficult to diagnose early aortic arch conditions because symptoms usually emerge only once an artery has narrowed. To rule out any other disease with similar symptoms, a doctor will review a patient's complete medical history and then perform a thorough physical examination. During this test, the doctor will measure blood pressure and hear through a stethoscope for abnormal sounds of blood-threatening. Other tests that a doctor may order include: Treatment and Surgery Lifestyle modifications and medications are the first treatment line for arcotic conditions. People who experience inflammation and narrowing of blood vessels may delay or prevent the progression of the disease by:Prescribed medications for aortic bow conditions include: When aortic arch conditions become so advanced that the arteries are blocked, surgery may be necessary to widen or repair narrow arteries. An endoretomy is the most common procedure to remove the plate and damaged tissue from the inner lining of the arteries. Angioplasty, bypass and stent are also used to expand narrow arteries. Credit for the image of Aoritc Arch: "Gray506" by Henry Vandyke Carter - Henry Gray (1918) Anatomy of the human body (see section "Book" below) Bartleby.com: Gray Anatomy, Placa 506 Self-Work by Rhcastilhos. Licensed under public domain via Commons - https://commons.wikimedia.org/wiki/File:Gray506.svg#/media/File:Gray506.svgFOLLOWClinical Team

Arctic ArcAortic arch The aortic arch has three branches, the , left , and left . The aortic bow and its branches shown. Details Continues as , Combination and vein cavaSupplies From its branches, the upper body, and . As part of the , the whole body, except the respiratory zone of the and the . The aortic arch, arc of the aorta, or a transversal aortic arch (English: ) is the part of the between the and . The arc travels backward, so that it finally goes to the left of the . aortic aortic aortic aortic arcContentsStructure[ ]In the cellular plane, the aorta and the aortic arch are composed of three layers: The , which surrounds the lumen and is composed of simple squamal epithelial cells; the , composed of smooth cell muscles and elastic fibers; and, the , composed of loose collagen fibers. Innervated by nervio terminals, the aortic arch is responsible for sensing changes in the dilation of the vascular walls, inducing changes in heart rate to compensate for changes in blood pressure. The aorta begins at the level of the upper border of the second right side, and runs at the beginning upward, backward, and left in front of the ; then travels backward on the left side of the and finally passes down on the left side of the body of the room. At this point the aortic bow continues as .:214 The aortic bow has three branches. The first, and greater, arch branch of the aorta is the , which is on the right and slightly before the other two branches and originates behind the manubrio of the sternon. Then the origins of the aortic arch to the left of the brachiophalic trunk, then ascend along the left side of the trachea and through the upper mediastinum. Finally, the exit of the aortic arch to the left of the common carotid artery of the left and ascends, with the common left carotid, through the upper mediastinum and along the left side of the trachea. An anatomical variation is that the left can emerge from the aortic arch instead of the left subclavian artery. The aorta arch forms two curvatures: one with its convexity upwards, the other with its convexity forward and left. Its upper border is usually about 2.5 cm below the border above the . Blood flows from the curvature above the upper regions of the body, located above the heart - that is, arms, neck and head. Out of the heart, the chest aorta has a maximum diameter of 40 mm in the root. By the time it becomes the ascending aorta, the diameter must be made 35–38 mm, and 30 mm in the arc. The diameter of the descending aorta should not exceed 25 mm. The arc of the Aorta is located inside the . Development[] The aortic arch is the connection between the ascending and descending aorta, and its central part is formed by the fourth left during early development. The connection to the lower part of the bow in fetal life. This allows the blood of the right ventricle to be drawn mostly to the lung vessels while developing. The final section of the aortic arch is known as the aorta isthmus. This is called because it is a close () of the aorta as a result of the decrease in blood flow when in fetal life. As the heart increases in size throughout life, the narrowing eventually spreads to become a normal size. If this does not happen, this can result in . The connection is connected to the final section of the bow in fetal life and when the ductus arterioso retreats. Variation[] There are three common variations in how the arteries branch from the aortic arch. In approximately 75% of individuals, the branching is "normal," as described above. In some individuals, the common left carotid artery originates from the brachiocephalic artery instead of the aortic arch. In others, the brachiocephalic artery and the common left carotid artery share an origin. This variant is found in approximately 20% of the population. In a third variant, the brachiocephalic artery is divided into three arteries: the common left carotid artery, the right common carotid artery and the right subclavian artery; this variant is found in an estimated 7% of individuals. Clinical Significance[]The aortic crab is the prominent shadow of the aortic arch on a front. is a surgical procedure in which the aortic bow is fixed to keep the open. Additional Images[] The aorta bow can be seen here, with the side to each side and emerging from the , below. A branch of the , the , passes under the aorta arch. The nerve looks here. References[ ]This article incorporates text in the 20th edition of (1918) abc15126abab8 External links[] Wikimedia Commons has media related to . ########################################################################################################################################################################################################################################################## Heart Sections Sections Navigation menu Personal tools Named spaces Variants Views More Search Navigation Contributed Tools Printing/exporting Other projects Languages

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