Artery Essays

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    Coronary Arteries

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    heart’s main function is to keep blood continually circulating throughout the body. Arteries are the vessels that supply the body with oxygen rich blood; on the contrary the vessels that return blood to the heart are called veins. Like any other muscle in the body, the heart depends on a steady supply of oxygen rich blood. The arteries that carry this blood supply to the heart muscle are called coronary arteries. Sometimes these blood vessels can narrow or become block by deposits of fat, cholesterol

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    pulmonary artery is to pump deoxygenated blood to the lungs from the heart to become oxygenated. The pressure inside the pulmonary artery is very low, although blood here is at a slightly higher pressure than the blood in the pulmonary vein, and this is reflected as the walls of the artery are significantly thinner than the walls of a corresponding artery, for example, the aorta. The walls of the pulmonary artery contain a large amount of elastic fibres in order to maintain the shape of the artery. The

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    modality is the most accurate in vertebral artery dissection diagnosis? Pei Wen Tammy Kwa, Sarah Moore, Paul Ryan, Kate Somers Introduction An arterial dissection is said to occur when the structural integrity of an arterial wall is compromised, permitting blood to collect between layers of the vessel wall to form an intramural haematoma. Arterial dissection is a common cause of stroke in the young, although it may occur at any age. Vertebral artery dissection (VAD) most often occurs in the cervical

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    Explain the function of the heart, and the structure of the arteries veins and capillaries The heart is a key muscular organ, and is controlled by the autonomic nervous system. It transports blood to the body’s tissues via the circulatory system; blood provides the body with oxygen, nutrients and also assists in the removal of carbon dioxide and metabolic wastes, hormones are transported throughout the body by plasma. Arteries, arterioles, veins, capillaries and valves, are the blood vessels

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    Coronary Artery Disease is a condition that is caused by a thickening of the inside walls of the coronary arteries. It is disease is also known as CAD, Arteriosclerotic or Coronary Heart Disease. Coronary heart disease is one of the most common heart diseases in the United States. The risk of this disease increases with increased age. The coronary arteries are major blood vessels that supply our hearts with blood oxygen, and the nutrients we need to survive. An artery has a smooth inner lining

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    Coronary artery disease is usually caused by atherosclerosis. Cholesterol and other fatty substances accumulate on the inner wall of the arteries. This attracts fibrous tissue, blood components, and calcium, which harden into flow-obstructing plaques. If a blood clot suddenly forms on one of these plaques it can convert a partial obstruction to a total occlusion. When the blockage is temporary or partial, angina (chest pain or pressure) may occur. When the blockage completely and suddenly cuts off

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    What are the symptoms of peripheral artery disease? Snippet: Peripheral arterial disease (PAD) is a condition, in which a build-up of fatty deposits (atherosclerosis) in the arteries leads to the narrowing of the peripheral arteries and reduce blood flow to the legs, stomach, arms, and head. According to statistics, both men and women are affected equally by this condition. However, the prevalence increases as one age. The characteristic symptoms of PAD include-fatigue, heaviness, tiredness, or

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    Splenic Artery Aneurysm Splenic artery aneurysm is the third most common aneurysm in the abdomen and the most common type to affect the internal organs. The spleen is an abdominal organ that forms part of the immune system. It has a large artery that supplies blood to it. When a portion of this artery balloons or widens because of weakness in its walls, an aneurysm develops. Other more common intra-abdominal aneurysms affect the aorta and the iliac arteries. Part 1: Are There Any Symptoms of Splenic

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    1. Coronary Artery Disease: Coronary artery disease develops when your coronary arteries — the major blood vessels that supply your heart with blood, oxygen and nutrients — become damaged or diseased. It is a result of plaque buildup in your coronary arteries -- a condition called atherosclerosis -- that leads to blockages. The arteries, which start out smooth and elastic, become narrow and rigid, restricting blood flow to the heart. The heart becomes starved of oxygen and the vital nutrients it

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    Coronary artery disease (CAD) is the leading cause of death worldwide ( Reddy 1993; Lloyd-Jones et al. 2009). According to WHO, 23.6 million deaths each year by 2030 are caused by cardiovascular disease. In Malaysia, diseases of the circulatory system are the leading cause of death in Ministry of Health (MoH) Hospitals in 2012. 40, 000 new cases per year for 28 million people in this country while for number of CAD cases for young people which is below 45 years old is increased every year. 95 %

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    having thrombosis [2]. On the other hand, internal thoracic artery (ITA) arises as a major branch of the subclavian artery in the neck, it passes posterior to the clavicle and the large veins in the region and anterior to the pleural cavity.

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    The presence of any risk factor is thought to double the relative risk for developing atherosclerosis/coronary artery disease and acute myocardial infarction. These risk factors include: • High Blood Cholesterol – An elevated lipid level is major component of atherosclerotic plaque buildup which causes the development of an infarction. • Diabetes Mellitus – Patients

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    Aneurysm Research Paper

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    Medium aneurysms are 6–15 mm. o Large aneurysms are 16–25 mm . o Giant aneurysms are larger than 25 mm. Brain Aneurysm Four major blood vessel supply blood to the brain. They join together at the circle of willis at the base of the brain. Smaller arteries leave the circle and branch out to supply brain cells with oxygen and nutrients.Artery junction points may become weak causing a ballooning of the blood vessel wall to potentially form a small sac or aneurysm.Cerebral aneurysms are common but most

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    Aortic arches are also called as pharyngeal arteries. They are vascular structures that emerge from the ventricle of the heart. There are 6 pairs of these arches in embryonic stages which give rise to several major arteries later. They arise from the aortic sac and are present on the ventral and dorsal aorta. As discussed earlier that there are 6 pairs of aortic arches present in embryonic stages giving rise to several arteries are as follows: Arch 1st and 2nd: The first and second arches

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    placement is surgery to place a small metal tube (stent) into a blood vessel in the thigh. The stent is placed in a blood vessel that moves blood from the heart to the leg (iliac artery). The purpose of the stent is to keep the artery open. You may need this procedure if you have a narrow, blocked, or damaged iliac artery that does not provide enough blood flow to the leg. Tell a health care provider about: Any allergies you have. All medicines you are taking, including vitamins, herbs, eye drops

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    The aorta is the largest artery in the body. The blood that leaves the aorta is full of oxygen, this is important for the cells and the brain to do their work. Oxygen reaches the blood and travels throughout the body in its system. On its way back to the heart the blood travels

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    the aorta going throughout the body. There are three main types of blood vessels that help blood flow through your heart. They are Arteries - They carry oxygen rich blood away from the heart to all of your body tissues. Which get smaller and smaller the farther they get away from the heart. Capillaries - Which Are small thin blood vessels that connect the arteries and the veins together. There thin walls allow oxygen, nutrients and carbon dioxide to pass through and from cells.   Veins - They

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    typically occurs when the left ventricle becomes unable to efficiently pump received blood to the rest of the body. Common causes of cardiogenic pulmonary edema include: “coronary artery disease, cardiomyopathy, heart valve problems, and uncontrolled high blood pressure” (Mayo Clinic,

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    Blood Pressure Essay

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    the body through a very advanced system called arteries and capillaries; the blood is then carried back to the heart by means of veins. Blood pressure is the thrust of this blood in the body pushing up against the inside walls of the arteries as the heart is pumping. high blood pressure, systolic, diastolic, heart Article Body: The heart is a tough operating mechanism which moves blood around the body through a very advanced system called arteries and capillaries; the blood is then carried back

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    vessels (veins, arteries and capillaries) or the heart, or together or diseases that disturb the cardiovascular system. The cardiovascular system, also named as the circulatory system, is the system that transports blood all over the human body. It is composed of the heart, arteries, veins, and capillaries. It delivers oxygenated blood from the lungs and heart through the entire body by the arteries. Blood drives through the capillaries - vessels located between the veins and arteries. When the blood

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