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    Metacarpal Veins

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    will not collapse like veins. Arteries are also deeper than veins and are surrounded by nerve endings, making arterial puncture painful. The venous system consists of superficial and deep veins. The superficial or cutaneous veins are those used for venipuncture. Because thrombosis of the superficial veins of the lower extremities can easily extend to the deep veins, it is important to avoid the use of these veins. Superficial veins are bluish in color. The pressure within veins is low and therefore

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    When blood is removed from a vein, it is called venipuncture or phlebotomy. Venipuncture should be performed with care. The veins of a patient are the main source of specimens for testing, the entry point of medications, and the site for IVs and blood transfusions. Because there are only a limited number of easily accessible veins in a patient, it is important that everything be done to preserve their good condition and availability. Universal precautions should be observed at all times. Gloves should

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    How To Varicose Veins

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    any other costume designed o hide the varicose veins on your legs? If what you really want is a Halloween costume that shows off your limbs but those unsightly blue lines are holding you back, check out these procedures for nixing varicose veins and go ahead and order that French maid, Superwoman, or cheerleader costume. Understanding Varicose Veins Your first step in getting rid of your varicose veins is to understand why and how they pop up. The veins in your legs and feet have valves that work

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    Varicose veins are elongated, dilated superficial veins with incompetent valves that permit reverse blood flow. These veins can appear in different parts of the body, but it is mainly seen in the lower extremities (Shiland 19). The common cause that I came across is that it’s from defective or absent valves. These collapsed valves are a result of prolonged standing or sitting which causes pressure on the valves of the veins (Frazier and Drzymkowski 488). I chose this vascular disorder because I have

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    The Structure and Function Of Arteries, Veins and Capillaries In its route from the heart to the tissues, the blood passes through channels of six foremost types: elastic arteries, muscular arteries, arterioles, capillaries, venules and veins. I intend to explore the structure and function of arteries, veins and capillaries. When an artery branches into smaller and smaller vessels, eventually the blood vessel is too small to see with the naked eye. At that point, it

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    This case study examines the development of Portal Vein Thrombosis (“PVT”) in two patients, M.W. and R.C., diagnosed with adenocarcinoma of the pancreas. In both cases the patients had low volume local disease which responded to treatment over time. Both experienced a longer survival length than typical pancreatic cancer patients, but ultimately experienced thombosis of the portal vein and the superior mesenteric vein. Extrinsic compression of the celiac axis by the tumor further exacerbated the

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    Varicose Veins Essay

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    Home Health Care and Varicose Veins Varicose veins look like large blue cords stuck just under the surface of the skin. Mayo Clinic describes varicose veins as "gnarled, enlarged veins". Varicose veins are often accompanied by patches of thin red lines – flooded capillaries – called spider veins. The most common veins affected by these conditions are those in the legs and feet due to the immense pressure standing and other upright activities place on them. Varicose veins are not typically painful

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    Deep Vein Thrombosis

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    |Deep Vein Thrombosis | | | |Anatomy and Physiology 11 | | | |4/13/2010

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    What is the difference btw artery and veins? Both the arterial system and venule system play a key role within the circulatory system, but this is possible because of their differences. An artery will pump blood away from the heart at high pressure, due to its think walls and small/round lumen. Arteries also possess numerous amount of that allows it to stretch. A vein will pump blood away from the heart at low pressure, while acting against gravity, due to its thin walls, multiple valves, and large

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    Veins Arteries Capillaries Transport blood towards the heart Transport blood away from heart Connects arteries and veins Carry De-Oxygenated Blood (except for the Pulmonary Vein) Carry Oxygenated Blood (except for Pulmonary Artery) Smallest blood vessel Have a relatively wide lumen Have a relatively narrow lumen Exchanges oxygen and carbon dioxide Have relatively less smooth muscle and elastic fibres Have relatively more smooth muscle and elastic fibres So small that Red Blood Cells can only travel

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